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100644 docs/dws/umn/figure/en-us_image_0000001686996645.png create mode 100644 docs/dws/umn/figure/en-us_image_0000001687029873.png create mode 100644 docs/dws/umn/figure/en-us_image_0000001687033189.png create mode 100644 docs/dws/umn/figure/en-us_image_0000001687035837.png create mode 100644 docs/dws/umn/figure/en-us_image_0000001687101397.png create mode 100644 docs/dws/umn/figure/en-us_image_0000001687122453.png diff --git a/docs/dws/umn/ALL_META.TXT.json b/docs/dws/umn/ALL_META.TXT.json index 543bf81de..9d300e12a 100644 --- a/docs/dws/umn/ALL_META.TXT.json +++ b/docs/dws/umn/ALL_META.TXT.json @@ -15,7 +15,7 @@ "code":"2", "des":"GaussDB(DWS) is an online data processing database that runs on the cloud infrastructure to provide scalable, fully-managed, and out-of-the-box analytic database service,", "doc_type":"usermanual", - "kw":"What Is GaussDB(DWS)?,Service Overview,User Guide", + "kw":"What Is GaussDB(DWS)?,Service Overview,Mangement Guide", "title":"What Is GaussDB(DWS)?", "githuburl":"" }, @@ -25,7 +25,7 @@ "code":"3", "des":"GaussDB(DWS) uses the GaussDB database kernel and is compatible with PostgreSQL 9.2.4. It transforms from a single OLTP database to an enterprise-level distributed OLAP d", "doc_type":"usermanual", - "kw":"Advantages,Service Overview,User Guide", + "kw":"Advantages,Service Overview,Mangement Guide", "title":"Advantages", "githuburl":"" }, @@ -33,9 +33,9 @@ "uri":"dws_01_00013.html", "product_code":"dws", "code":"4", - "des":"Enhanced ETL + Real-time BI analysisETL + BI analysisThe data warehouse is the pillar of the Business Intelligence (BI) system for collecting, storing, and analyzing mass", + "des":"Enhanced ETL + Real-time BI analysisETL+BI analysisThe data warehouse is the pillar of the Business Intelligence (BI) system for collecting, storing, and analyzing massiv", "doc_type":"usermanual", - "kw":"Application Scenarios,Service Overview,User Guide", + "kw":"Application Scenarios,Service Overview,Mangement Guide", "title":"Application Scenarios", "githuburl":"" }, @@ -45,7 +45,7 @@ "code":"5", "des":"GaussDB(DWS) enables you to use this service through various methods, such as the GaussDB(DWS) management console, GaussDB(DWS) client, and REST APIs. This section descri", "doc_type":"usermanual", - "kw":"Functions,Service Overview,User Guide", + "kw":"Functions,Service Overview,Mangement Guide", "title":"Functions", "githuburl":"" }, @@ -53,86 +53,56 @@ "uri":"dws_01_0004.html", "product_code":"dws", "code":"6", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "des":"ClusterA cluster is a server group that consists of multiple nodes. GaussDB(DWS) is organized using clusters. A data warehouse cluster contains nodes with the same flavor", "doc_type":"usermanual", - "kw":"Concepts", + "kw":"Concepts,Service Overview,Mangement Guide", "title":"Concepts", "githuburl":"" }, - { - "uri":"dws_01_0005.html", - "product_code":"dws", - "code":"7", - "des":"A cluster is a server group that consists of multiple nodes. GaussDB(DWS) is organized using clusters. A data warehouse cluster contains nodes with the same flavor in the", - "doc_type":"usermanual", - "kw":"GaussDB(DWS) Management Concepts,Concepts,User Guide", - "title":"GaussDB(DWS) Management Concepts", - "githuburl":"" - }, - { - "uri":"dws_01_0006.html", - "product_code":"dws", - "code":"8", - "des":"A data warehouse cluster is an analysis-oriented relational database platform that supports online analysis.OLAP is a major function of data warehouse clusters. It suppor", - "doc_type":"usermanual", - "kw":"GaussDB(DWS) Database Concepts,Concepts,User Guide", - "title":"GaussDB(DWS) Database Concepts", - "githuburl":"" - }, { "uri":"dws_01_0003.html", "product_code":"dws", - "code":"9", + "code":"7", "des":"GaussDB(DWS) uses Identity and Access Management (IAM) for authentication and authorization.Users who have the DWS Administrator permissions can fully utilize GaussDB(DWS", "doc_type":"usermanual", - "kw":"Related Services,Service Overview,User Guide", + "kw":"Related Services,Service Overview,Mangement Guide", "title":"Related Services", "githuburl":"" }, { "uri":"dws_01_0144.html", "product_code":"dws", - "code":"10", - "des":"If you need to assign different permissions to employees in your enterprise to access your cloud GaussDB(DWS) resources, IAM is a good choice for fine-grained permissions", + "code":"8", + "des":"If you need to assign different permissions to employees in your enterprise to access your GaussDB(DWS) resources on cloud, IAM is a good choice for fine-grained permissi", "doc_type":"usermanual", - "kw":"GaussDB(DWS) Permissions Management,Service Overview,User Guide", + "kw":"GaussDB(DWS) Permissions Management,Service Overview,Mangement Guide", "title":"GaussDB(DWS) Permissions Management", "githuburl":"" }, { "uri":"dws_01_0009.html", "product_code":"dws", - "code":"11", + "code":"9", "des":"The following figure shows how to use GaussDB(DWS).GaussDB(DWS) provides a web-based management console and HTTPS-compliant APIs for you to manage data warehouse clusters", "doc_type":"usermanual", - "kw":"GaussDB(DWS) Access,Service Overview,User Guide", + "kw":"GaussDB(DWS) Access,Service Overview,Mangement Guide", "title":"GaussDB(DWS) Access", "githuburl":"" }, { "uri":"dws_01_0010.html", "product_code":"dws", - "code":"12", - "des":"You can manage clusters only and cannot directly access nodes in a cluster. You can use a cluster's IP address and port to access the database in the cluster.You cannot c", + "code":"10", + "des":"You can manage clusters only and cannot directly access nodes in a cluster. You can use a cluster's IP address and port to access the database in the cluster.Currently, y", "doc_type":"usermanual", - "kw":"Restrictions,Service Overview,User Guide", + "kw":"Restrictions,Service Overview,Mangement Guide", "title":"Restrictions", "githuburl":"" }, - { - "uri":"dws_01_00113.html", - "product_code":"dws", - "code":"13", - "des":"This section describes the technical specifications of GaussDB(DWS) in different versions.", - "doc_type":"usermanual", - "kw":"Technical Specifications,Service Overview,User Guide", - "title":"Technical Specifications", - "githuburl":"" - }, { "uri":"dws_01_0078.html", "product_code":"dws", - "code":"14", + "code":"11", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Getting Started", @@ -142,97 +112,107 @@ { "uri":"dws_01_0088.html", "product_code":"dws", - "code":"15", + "code":"12", "des":"This guide is an introductory tutorial that demonstrates how to create a sample GaussDB(DWS) cluster, connect to the cluster database, import the sample data from OBS, an", "doc_type":"usermanual", - "kw":"Step 1: Starting Preparations,Getting Started,User Guide", + "kw":"Step 1: Starting Preparations,Getting Started,Mangement Guide", "title":"Step 1: Starting Preparations", "githuburl":"" }, { "uri":"dws_01_0013.html", "product_code":"dws", - "code":"16", - "des":"Before using GaussDB(DWS) to analyze data, create a cluster. A cluster consists of multiple nodes in the same subnet. These nodes together provide services. This section ", + "code":"13", + "des":"Before using GaussDB(DWS) to analyze data, create a cluster. A cluster consists of multiple nodes in the same subnet. These nodes jointly provide services. This section d", "doc_type":"usermanual", - "kw":"Step 2: Creating a Cluster,Getting Started,User Guide", + "kw":"Step 2: Creating a Cluster,Getting Started,Mangement Guide", "title":"Step 2: Creating a Cluster", "githuburl":"" }, { "uri":"dws_01_0107.html", "product_code":"dws", - "code":"17", + "code":"14", "des":"This section describes how to use a database client to connect to the database in a GaussDB(DWS) cluster. In the following example, the Data Studio client tool is used fo", "doc_type":"usermanual", - "kw":"Step 3: Connecting to a Cluster,Getting Started,User Guide", + "kw":"Step 3: Connecting to a Cluster,Getting Started,Mangement Guide", "title":"Step 3: Connecting to a Cluster", "githuburl":"" }, { "uri":"dws_01_0079.html", "product_code":"dws", - "code":"18", - "des":"After performing the steps in preceding sections, you can refer to the documentation listed as follows for more information about GaussDB(DWS):Data Warehouse Service (DWS", + "code":"15", + "des":"After performing the steps in preceding sections, you can refer to the documentation listed as follows for more information about GaussDB(DWS):Data Warehouse Service User", "doc_type":"usermanual", - "kw":"Step 4: Viewing Other Documents and Clearing Resources,Getting Started,User Guide", - "title":"Step 4: Viewing Other Documents and Clearing Resources", + "kw":"Step 4: Viewing Other Documents and Deleting Resources,Getting Started,Mangement Guide", + "title":"Step 4: Viewing Other Documents and Deleting Resources", "githuburl":"" }, { "uri":"dws_01_0018.html", "product_code":"dws", - "code":"19", + "code":"16", "des":"GaussDB(DWS) is an online data processing database that uses the cloud infrastructure to provide scalable, fully-managed, and out-of-the-box analytic database service, fr", "doc_type":"usermanual", - "kw":"Process for Using GaussDB(DWS),User Guide", + "kw":"Process for Using GaussDB(DWS),Mangement Guide", "title":"Process for Using GaussDB(DWS)", "githuburl":"" }, { "uri":"dws_01_0154.html", "product_code":"dws", - "code":"20", - "des":"Before using GaussDB(DWS), make the following preparations:Registering a Public Cloud Account and Completing Real-Name AuthenticationDetermining the Cluster PortsIf you d", + "code":"17", + "des":"Before using GaussDB(DWS), make the following preparations:Determining the Cluster PortsWhen creating a GaussDB(DWS) cluster, you need to specify a port for SQL clients o", "doc_type":"usermanual", - "kw":"Preparations,User Guide", + "kw":"Preparations,Mangement Guide", "title":"Preparations", "githuburl":"" }, { "uri":"dws_01_0160.html", "product_code":"dws", - "code":"21", + "code":"18", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", - "kw":"Cluster Configuration", - "title":"Cluster Configuration", + "kw":"Creating or Deleting a Cluster", + "title":"Creating or Deleting a Cluster", "githuburl":"" }, { "uri":"dws_01_0157.html", "product_code":"dws", - "code":"22", + "code":"19", "des":"This section describes how to log in to the GaussDB(DWS) management console and use GaussDB(DWS).", "doc_type":"usermanual", - "kw":"Accessing the GaussDB(DWS) Management Console,Cluster Configuration,User Guide", + "kw":"Accessing the GaussDB(DWS) Management Console,Creating or Deleting a Cluster,Mangement Guide", "title":"Accessing the GaussDB(DWS) Management Console", "githuburl":"" }, { "uri":"dws_01_0019.html", "product_code":"dws", - "code":"23", - "des":"To use cloud GaussDB(DWS), create a cluster first.This section describes how to create a data warehouse cluster on the GaussDB(DWS) management console.You have evaluated ", + "code":"20", + "des":"To use cloud GaussDB(DWS), create a data warehouse cluster first.This section describes how to create a data warehouse cluster on the GaussDB(DWS) management console.You ", "doc_type":"usermanual", - "kw":"Creating a Cluster,Cluster Configuration,User Guide", + "kw":"Creating a Cluster,Creating or Deleting a Cluster,Mangement Guide", "title":"Creating a Cluster", "githuburl":"" }, + { + "uri":"dws_01_0025.html", + "product_code":"dws", + "code":"21", + "des":"If you do not need to use a cluster, perform the operations in this section to delete it.Deleted clusters cannot be recovered. Additionally, you cannot access user data a", + "doc_type":"usermanual", + "kw":"Deleting a Cluster,Creating or Deleting a Cluster,Mangement Guide", + "title":"Deleting a Cluster", + "githuburl":"" + }, { "uri":"dws_01_0131.html", "product_code":"dws", - "code":"24", + "code":"22", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Cluster Connection", @@ -242,27 +222,37 @@ { "uri":"dws_01_0137.html", "product_code":"dws", - "code":"25", + "code":"23", "des":"If you have created a GaussDB(DWS) cluster, you can use the SQL client tool or a third-party driver such as JDBC or ODBC to connect to the cluster and access the database", "doc_type":"usermanual", - "kw":"Methods of Connecting to a Cluster,Cluster Connection,User Guide", + "kw":"Methods of Connecting to a Cluster,Cluster Connection,Mangement Guide", "title":"Methods of Connecting to a Cluster", "githuburl":"" }, { "uri":"dws_01_0033.html", "product_code":"dws", - "code":"26", + "code":"24", "des":"You can access GaussDB(DWS) clusters by different methods and the connection address of each connection method varies. This section describes how to view and obtain the p", "doc_type":"usermanual", - "kw":"Obtaining the Cluster Connection Address,Cluster Connection,User Guide", + "kw":"Obtaining the Cluster Connection Address,Cluster Connection,Mangement Guide", "title":"Obtaining the Cluster Connection Address", "githuburl":"" }, + { + "uri":"dws_01_0094.html", + "product_code":"dws", + "code":"25", + "des":"Data Studio is a SQL client tool running on the Windows operating system. It provides various GUIs for you to manage databases and database objects, as well as edit, run,", + "doc_type":"usermanual", + "kw":"Using the Data Studio GUI Client to Connect to a Cluster,Cluster Connection,Mangement Guide", + "title":"Using the Data Studio GUI Client to Connect to a Cluster", + "githuburl":"" + }, { "uri":"dws_01_0093.html", "product_code":"dws", - "code":"27", + "code":"26", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Using the gsql CLI Client to Connect to a Cluster", @@ -272,77 +262,47 @@ { "uri":"dws_01_0031.html", "product_code":"dws", - "code":"28", + "code":"27", "des":"GaussDB(DWS) provides client tool packages that match the cluster versions. You can download the desired client tool package on the GaussDB(DWS) management console.The cl", "doc_type":"usermanual", - "kw":"Downloading the Client,Using the gsql CLI Client to Connect to a Cluster,User Guide", + "kw":"Downloading the Client,Using the gsql CLI Client to Connect to a Cluster,Mangement Guide", "title":"Downloading the Client", "githuburl":"" }, + { + "uri":"dws_01_0037.html", + "product_code":"dws", + "code":"28", + "des":"This section describes how to connect to a database through an SQL client after you create a data warehouse cluster and before you use the cluster's database. GaussDB(DWS", + "doc_type":"usermanual", + "kw":"Using the Linux gsql Client to Connect to a Cluster,Using the gsql CLI Client to Connect to a Cluste", + "title":"Using the Linux gsql Client to Connect to a Cluster", + "githuburl":"" + }, { "uri":"dws_01_0128.html", "product_code":"dws", "code":"29", - "des":"The gsql command line client provided by GaussDB(DWS) runs on the Linux OS. Before using it to remotely connect to a GaussDB(DWS) cluster, you need to prepare a Linux hos", - "doc_type":"usermanual", - "kw":"Preparing an ECS as the gsql Client Host,Using the gsql CLI Client to Connect to a Cluster,User Guid", - "title":"Preparing an ECS as the gsql Client Host", - "githuburl":"" - }, - { - "uri":"dws_01_0037.html", - "product_code":"dws", - "code":"30", "des":"This section describes how to connect to a database through an SQL client after you create a data warehouse cluster and before you use the cluster's database. GaussDB(DWS", "doc_type":"usermanual", - "kw":"Using the gsql Client to Connect to a Cluster,Using the gsql CLI Client to Connect to a Cluster,User", - "title":"Using the gsql Client to Connect to a Cluster", + "kw":"Using the Windows gsql Client to Connect to a Cluster,Using the gsql CLI Client to Connect to a Clus", + "title":"Using the Windows gsql Client to Connect to a Cluster", "githuburl":"" }, { "uri":"dws_01_0038.html", "product_code":"dws", - "code":"31", - "des":"If the client or JDBC/ODBC driver needs to use SSL connection, you must configure related SSL connection parameters in the client or application code. The GaussDB(DWS) ma", + "code":"30", + "des":"GaussDB(DWS) supports the standard SSL. As a highly secure protocol, SSL authenticates bidirectional identification between the server and client using digital signatures", "doc_type":"usermanual", "kw":"Establishing Secure TCP/IP Connections in SSL Mode,Using the gsql CLI Client to Connect to a Cluster", "title":"Establishing Secure TCP/IP Connections in SSL Mode", "githuburl":"" }, - { - "uri":"dws_01_0076.html", - "product_code":"dws", - "code":"32", - "des":"GaussDB(DWS) supports connections in SSL authentication mode so that data transmitted between the GaussDB(DWS) client and the database can be encrypted. The SSL mode deli", - "doc_type":"usermanual", - "kw":"(Optional) Configuring SSL Connection,Using the gsql CLI Client to Connect to a Cluster,User Guide", - "title":"(Optional) Configuring SSL Connection", - "githuburl":"" - }, - { - "uri":"dws_01_0083.html", - "product_code":"dws", - "code":"33", - "des":"GaussDB(DWS) supports the standard SSL (TLS 1.2). As a highly secure protocol, SSL authenticates bidirectional identification between the server and client using digital ", - "doc_type":"usermanual", - "kw":"(Optional) Downloading the SSL Certificate,Using the gsql CLI Client to Connect to a Cluster,User Gu", - "title":"(Optional) Downloading the SSL Certificate", - "githuburl":"" - }, - { - "uri":"dws_01_0094.html", - "product_code":"dws", - "code":"34", - "des":"Data Studio is a SQL client tool running on the Windows operating system. It provides various GUIs for you to manage databases and database objects, as well as edit, run,", - "doc_type":"usermanual", - "kw":"Using the Data Studio GUI Client to Connect to a Cluster,Cluster Connection,User Guide", - "title":"Using the Data Studio GUI Client to Connect to a Cluster", - "githuburl":"" - }, { "uri":"dws_01_0081.html", "product_code":"dws", - "code":"35", + "code":"31", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Using the JDBC and ODBC Drivers to Connect to a Cluster", @@ -352,747 +312,97 @@ { "uri":"dws_01_0106.html", "product_code":"dws", - "code":"36", + "code":"32", "des":"If the connection pool mechanism is used during application development, the following specifications must be met. Otherwise, connections in the connection pool have stat", "doc_type":"usermanual", - "kw":"Development Specifications,Using the JDBC and ODBC Drivers to Connect to a Cluster,User Guide", + "kw":"Development Specifications,Using the JDBC and ODBC Drivers to Connect to a Cluster,Mangement Guide", "title":"Development Specifications", "githuburl":"" }, { "uri":"dws_01_0032.html", "product_code":"dws", - "code":"37", + "code":"33", "des":"The JDBC or ODBC driver is used to connect to data warehouse clusters. You can download the JDBC or ODBC driver provided by GaussDB(DWS) from the management console or us", "doc_type":"usermanual", - "kw":"Downloading the JDBC or ODBC Driver,Using the JDBC and ODBC Drivers to Connect to a Cluster,User Gui", + "kw":"Downloading the JDBC or ODBC Driver,Using the JDBC and ODBC Drivers to Connect to a Cluster,Mangemen", "title":"Downloading the JDBC or ODBC Driver", "githuburl":"" }, { "uri":"dws_01_0077.html", "product_code":"dws", - "code":"38", + "code":"34", "des":"In GaussDB(DWS), you can use a JDBC driver to connect to a database on Linux or Windows. The driver can connect to the database through an ECS on the cloud platform or ov", "doc_type":"usermanual", - "kw":"Using a JDBC Driver to Connect to a Database,Using the JDBC and ODBC Drivers to Connect to a Cluster", - "title":"Using a JDBC Driver to Connect to a Database", + "kw":"Using JDBC to Connect to a Cluster,Using the JDBC and ODBC Drivers to Connect to a Cluster,Mangement", + "title":"Using JDBC to Connect to a Cluster", "githuburl":"" }, { - "uri":"dws_01_0086.html", + "uri":"dws_01_0169.html", "product_code":"dws", - "code":"39", - "des":"GaussDB(DWS) allows you to use an ODBC driver to connect to the database through an ECS on the cloud platform or over the Internet.For details about how to use the ODBC A", + "code":"35", + "des":"If you use JDBC to connect to only one CN in the cluster, this CN may be overloaded and other CN resources wasted. It also incurs single-node failure risks.To avoid these", "doc_type":"usermanual", - "kw":"Using an ODBC Driver to Connect to a Database,Using the JDBC and ODBC Drivers to Connect to a Cluste", - "title":"Using an ODBC Driver to Connect to a Database", + "kw":"Configuring JDBC to Connect to a Cluster (Load Balancing Mode),Using the JDBC and ODBC Drivers to Co", + "title":"Configuring JDBC to Connect to a Cluster (Load Balancing Mode)", "githuburl":"" }, { "uri":"dws_01_0133.html", "product_code":"dws", - "code":"40", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Connecting to a Cluster Using IAM Authentication", - "title":"Connecting to a Cluster Using IAM Authentication", - "githuburl":"" - }, - { - "uri":"dws_01_0134.html", - "product_code":"dws", - "code":"41", + "code":"36", "des":"GaussDB(DWS) allows you to access databases using IAM authentication. When you use the JDBC application program to connect to a cluster, set the IAM username, credential,", "doc_type":"usermanual", - "kw":"Overview,Connecting to a Cluster Using IAM Authentication,User Guide", - "title":"Overview", + "kw":"Using JDBC to Connect to a Cluster (IAM Authentication Mode),Using the JDBC and ODBC Drivers to Conn", + "title":"Using JDBC to Connect to a Cluster (IAM Authentication Mode)", "githuburl":"" }, { - "uri":"dws_01_0135.html", + "uri":"dws_01_0086.html", "product_code":"dws", - "code":"42", - "des":"The IAM account you use to access a database must be granted with the DWS Database Access permission. Only users with both the DWS Administrator and DWS Database Access p", + "code":"37", + "des":"GaussDB(DWS) allows you to use an ODBC driver to connect to the database through an ECS on the cloud platform or over the Internet.For details about how to use the ODBC A", "doc_type":"usermanual", - "kw":"Granting an IAM Account the DWS Database Access Permission,Connecting to a Cluster Using IAM Authent", - "title":"Granting an IAM Account the DWS Database Access Permission", + "kw":"Using ODBC to Connect to a Cluster,Using the JDBC and ODBC Drivers to Connect to a Cluster,Mangement", + "title":"Using ODBC to Connect to a Cluster", "githuburl":"" }, { - "uri":"dws_01_0136.html", + "uri":"dws_01_0120.html", "product_code":"dws", - "code":"43", - "des":"You can log in to the management console to create an AK/SK pair or use an existing one.Log in to the management console, move your cursor over your account in the upper ", + "code":"38", + "des":"After creating a data warehouse cluster and using the third-party function library psycopg2 to connect to the cluster, you can use Python to access GaussDB(DWS) and perfo", "doc_type":"usermanual", - "kw":"Creating an IAM User Credential,Connecting to a Cluster Using IAM Authentication,User Guide", - "title":"Creating an IAM User Credential", + "kw":"Using the Third-Party Function Library psycopg2 of Python to Connect to a Cluster,Cluster Connection", + "title":"Using the Third-Party Function Library psycopg2 of Python to Connect to a Cluster", "githuburl":"" }, { - "uri":"dws_01_0132.html", + "uri":"dws_01_0171.html", "product_code":"dws", - "code":"44", - "des":"When you use the JDBC application program to connect to a cluster, set the IAM username, credential, and other information as you configure the JDBC URL. After doing this", + "code":"39", + "des":"After creating a data warehouse cluster and using the third-party function library PyGreSQL to connect to the cluster, you can use Python to access GaussDB(DWS) and perfo", "doc_type":"usermanual", - "kw":"Configuring the JDBC Connection to Connect to a Cluster Using IAM Authentication,Connecting to a Clu", - "title":"Configuring the JDBC Connection to Connect to a Cluster Using IAM Authentication", + "kw":"Using the Python Library PyGreSQL to Connect to a Cluster,Cluster Connection,Mangement Guide", + "title":"Using the Python Library PyGreSQL to Connect to a Cluster", "githuburl":"" }, { "uri":"dws_01_0039.html", "product_code":"dws", - "code":"45", + "code":"40", "des":"By default, a database supports a certain number of connections. Administrators can manage database connections to learn about the connection performance of the current d", "doc_type":"usermanual", - "kw":"Managing Database Connections,Cluster Connection,User Guide", + "kw":"Managing Database Connections,Cluster Connection,Mangement Guide", "title":"Managing Database Connections", "githuburl":"" }, - { - "uri":"dws_01_0600.html", - "product_code":"dws", - "code":"46", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Clusters", - "title":"Clusters", - "githuburl":"" - }, - { - "uri":"dws_01_0020.html", - "product_code":"dws", - "code":"47", - "des":"On the Clusters page of the GaussDB(DWS) management console, you can view the general information about a cluster in the cluster list, such as the cluster status, task in", - "doc_type":"usermanual", - "kw":"Checking the Cluster Status,Clusters,User Guide", - "title":"Checking the Cluster Status", - "githuburl":"" - }, - { - "uri":"dws_01_0112.html", - "product_code":"dws", - "code":"48", - "des":"Log in to the GaussDB(DWS) management console. In the navigation tree on the left, choose Clusters. In the cluster list, locate the required cluster and click its name. T", - "doc_type":"usermanual", - "kw":"Viewing Basic Cluster Information,Clusters,User Guide", - "title":"Viewing Basic Cluster Information", - "githuburl":"" - }, - { - "uri":"dws_01_0140.html", - "product_code":"dws", - "code":"49", - "des":"A domain name is a string of characters separated by dots to identify the location of a computer or a computer group on the Internet, for example, www.example.com. You ca", - "doc_type":"usermanual", - "kw":"Managing Access Domain Names,Clusters,User Guide", - "title":"Managing Access Domain Names", - "githuburl":"" - }, - { - "uri":"dws_01_0818.html", - "product_code":"dws", - "code":"50", - "des":"On the Nodes tab page, you can view the node list of the current cluster, add new nodes to or remove nodes from it, and view the node usage, status, and flavors.This feat", - "doc_type":"usermanual", - "kw":"Nodes,Clusters,User Guide", - "title":"Nodes", - "githuburl":"" - }, - { - "uri":"dws_01_0023.html", - "product_code":"dws", - "code":"51", - "des":"As your data warehouse capacity and performance requirements change, you can adjust the sizes of existing clusters on the management console to utilize compute and storag", - "doc_type":"usermanual", - "kw":"Cluster Scale-out,Clusters,User Guide", - "title":"Cluster Scale-out", - "githuburl":"" - }, - { - "uri":"dws_01_0820.html", - "product_code":"dws", - "code":"52", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Cluster Redistribution", - "title":"Cluster Redistribution", - "githuburl":"" - }, - { - "uri":"dws_01_8201.html", - "product_code":"dws", - "code":"53", - "des":"Data redistribution, where data in existing nodes is evenly allocated to the new nodes after you scale out a cluster, is a time-consuming yet crucial task that accelerate", - "doc_type":"usermanual", - "kw":"Redistributing Data,Cluster Redistribution,User Guide", - "title":"Redistributing Data", - "githuburl":"" - }, - { - "uri":"dws_01_8202.html", - "product_code":"dws", - "code":"54", - "des":"On the View Redistribution Details page, you can view the redistribution mode and progress of the current cluster. In offline scheduling mode, you can pause, resume, and ", - "doc_type":"usermanual", - "kw":"Viewing Redistribution Details,Cluster Redistribution,User Guide", - "title":"Viewing Redistribution Details", - "githuburl":"" - }, - { - "uri":"dws_01_8115.html", - "product_code":"dws", - "code":"55", - "des":"In the Unbalanced state, the number of primary instances on some nodes increases. As a result, the load pressure is high. In this case, the cluster is normal, but the ove", - "doc_type":"usermanual", - "kw":"Performing a Primary/Standby Switchback,Clusters,User Guide", - "title":"Performing a Primary/Standby Switchback", - "githuburl":"" - }, - { - "uri":"dws_01_0008.html", - "product_code":"dws", - "code":"56", - "des":"After you create a data warehouse cluster, the system automatically configures a random maintenance window for the cluster. Alternatively, you can customize a maintenance", - "doc_type":"usermanual", - "kw":"Cluster Upgrade,Clusters,User Guide", - "title":"Cluster Upgrade", - "githuburl":"" - }, - { - "uri":"dws_01_0026.html", - "product_code":"dws", - "code":"57", - "des":"GaussDB(DWS) allows you to reset the password of the database administrator. If a database administrator forgets their password or the account is locked because the numbe", - "doc_type":"usermanual", - "kw":"Password Reset,Clusters,User Guide", - "title":"Password Reset", - "githuburl":"" - }, - { - "uri":"dws_01_0024.html", - "product_code":"dws", - "code":"58", - "des":"If a cluster is in the Unbalanced state or cannot work properly, you may need to restart it for restoration. After modifying a cluster's configurations, such as security ", - "doc_type":"usermanual", - "kw":"Cluster Restart,Clusters,User Guide", - "title":"Cluster Restart", - "githuburl":"" - }, - { - "uri":"dws_01_0152.html", - "product_code":"dws", - "code":"59", - "des":"After a cluster is created, you can modify the cluster's database parameters as required. On the GaussDB(DWS) management console, you can view or set common database para", - "doc_type":"usermanual", - "kw":"Modifying Database Parameters,Clusters,User Guide", - "title":"Modifying Database Parameters", - "githuburl":"" - }, - { - "uri":"dws_01_0057.html", - "product_code":"dws", - "code":"60", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"MRS Data Sources", - "title":"MRS Data Sources", - "githuburl":"" - }, - { - "uri":"dws_01_0055.html", - "product_code":"dws", - "code":"61", - "des":"MRS is a big data cluster running based on the open-source Hadoop ecosystem. It provides the industry's latest cutting-edge storage and analysis capabilities of massive v", - "doc_type":"usermanual", - "kw":"Importing Data from MRS to GaussDB(DWS),MRS Data Sources,User Guide", - "title":"Importing Data from MRS to GaussDB(DWS)", - "githuburl":"" - }, - { - "uri":"dws_01_0059.html", - "product_code":"dws", - "code":"62", - "des":"Before GaussDB(DWS) reads data from MRS HDFS, you need to create an MRS data source connection that functions as a channel of transporting data warehouse cluster data and", - "doc_type":"usermanual", - "kw":"Creating an MRS Data Source Connection,MRS Data Sources,User Guide", - "title":"Creating an MRS Data Source Connection", - "githuburl":"" - }, - { - "uri":"dws_01_0156.html", - "product_code":"dws", - "code":"63", - "des":"For MRS, if the following parameter configurations of the HDFS cluster change, data may fail to be imported to the data warehouse cluster from the HDFS cluster. Before im", - "doc_type":"usermanual", - "kw":"Updating the MRS Data Source Configuration,MRS Data Sources,User Guide", - "title":"Updating the MRS Data Source Configuration", - "githuburl":"" - }, - { - "uri":"dws_01_0723.html", - "product_code":"dws", - "code":"64", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Managing Cluster Workloads", - "title":"Managing Cluster Workloads", - "githuburl":"" - }, - { - "uri":"dws_01_07231.html", - "product_code":"dws", - "code":"65", - "des":"When multiple database users query jobs at the same time, some complex queries may occupy cluster resources for a long time, affecting the performance of other queries. F", - "doc_type":"usermanual", - "kw":"Workload Management Overview,Managing Cluster Workloads,User Guide", - "title":"Workload Management Overview", - "githuburl":"" - }, - { - "uri":"dws_01_07233.html", - "product_code":"dws", - "code":"66", - "des":"You can create a maximum of 63 workload queues.", - "doc_type":"usermanual", - "kw":"Adding Workload Queues,Managing Cluster Workloads,User Guide", - "title":"Adding Workload Queues", - "githuburl":"" - }, - { - "uri":"dws_01_07234.html", - "product_code":"dws", - "code":"67", - "des":"You can modify the parameters of a workload queue.Click Edit on the right and modify the parameters according to Table 1.Workload queue parametersParameterDescriptionValu", - "doc_type":"usermanual", - "kw":"Modifying Workload Queues,Managing Cluster Workloads,User Guide", - "title":"Modifying Workload Queues", - "githuburl":"" - }, - { - "uri":"dws_01_07238.html", - "product_code":"dws", - "code":"68", - "des":"In the Query Overview area, you can view the number of long and short queries that are running in the current queue at the current time. The chart information is refreshe", - "doc_type":"usermanual", - "kw":"Workload Queue Query,Managing Cluster Workloads,User Guide", - "title":"Workload Queue Query", - "githuburl":"" - }, - { - "uri":"dws_01_07239.html", - "product_code":"dws", - "code":"69", - "des":"If the queue to be deleted has associated database users, these users will be associated with the default queue after the queue is deleted.", - "doc_type":"usermanual", - "kw":"Deleting Workload Queues,Managing Cluster Workloads,User Guide", - "title":"Deleting Workload Queues", - "githuburl":"" - }, - { - "uri":"dws_01_72362.html", - "product_code":"dws", - "code":"70", - "des":"Workload plan is an advanced workload management feature provided by GaussDB(DWS). You can create a workload plan, add multiple stages to the plan, and configure differen", - "doc_type":"usermanual", - "kw":"Workload Plans,Managing Cluster Workloads,User Guide", - "title":"Workload Plans", - "githuburl":"" - }, - { - "uri":"dws_01_72363.html", - "product_code":"dws", - "code":"71", - "des":"You must stop the workload plan when adding a stage. Otherwise, the stage cannot be added.You can add a maximum of 48 stages for each plan.The switchover time of all phas", - "doc_type":"usermanual", - "kw":"Stages of Workload Plans,Managing Cluster Workloads,User Guide", - "title":"Stages of Workload Plans", - "githuburl":"" - }, - { - "uri":"dws_01_72365.html", - "product_code":"dws", - "code":"72", - "des":"You can commission a workload plan in the test environment and export the plan configurations to the production environment.An ongoing workload plan cannot be imported.Be", - "doc_type":"usermanual", - "kw":"Importing and Exporting Workload Plans,Managing Cluster Workloads,User Guide", - "title":"Importing and Exporting Workload Plans", - "githuburl":"" - }, - { - "uri":"dws_01_0724.html", - "product_code":"dws", - "code":"73", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Managing Logical Clusters", - "title":"Managing Logical Clusters", - "githuburl":"" - }, - { - "uri":"dws_01_7241.html", - "product_code":"dws", - "code":"74", - "des":"A physical cluster can be divided into logical clusters that use the node-group mechanism. Tables in a database can be allocated to different physical nodes by logical cl", - "doc_type":"usermanual", - "kw":"Overview,Managing Logical Clusters,User Guide", - "title":"Overview", - "githuburl":"" - }, - { - "uri":"dws_01_7242.html", - "product_code":"dws", - "code":"75", - "des":"If you access the Logical Clusters page for the first time, the metadata of the logical cluster created at the backend is synchronized to the frontend. After the synchron", - "doc_type":"usermanual", - "kw":"Adding Logical Clusters,Managing Logical Clusters,User Guide", - "title":"Adding Logical Clusters", - "githuburl":"" - }, - { - "uri":"dws_01_7243.html", - "product_code":"dws", - "code":"76", - "des":"Nodes are added to or removed from a logical cluster by ring.At least one ring must be reserved in a logical cluster.The ring removed from the logical cluster will be add", - "doc_type":"usermanual", - "kw":"Editing Logical Clusters,Managing Logical Clusters,User Guide", - "title":"Editing Logical Clusters", - "githuburl":"" - }, - { - "uri":"dws_01_7244.html", - "product_code":"dws", - "code":"77", - "des":"The first added logical cluster cannot be deleted.Nodes of the deleted logical cluster are added to the elastic cluster.", - "doc_type":"usermanual", - "kw":"Deleting Logical Clusters,Managing Logical Clusters,User Guide", - "title":"Deleting Logical Clusters", - "githuburl":"" - }, - { - "uri":"dws_01_7245.html", - "product_code":"dws", - "code":"78", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Restarting Logical Clusters,Managing Logical Clusters,User Guide", - "title":"Restarting Logical Clusters", - "githuburl":"" - }, - { - "uri":"dws_01_7246.html", - "product_code":"dws", - "code":"79", - "des":"Logical clusters and elastic clusters cannot be scaled out online.", - "doc_type":"usermanual", - "kw":"Scaling Out Logical Clusters,Managing Logical Clusters,User Guide", - "title":"Scaling Out Logical Clusters", - "githuburl":"" - }, - { - "uri":"dws_01_0103.html", - "product_code":"dws", - "code":"80", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Managing Tags", - "title":"Managing Tags", - "githuburl":"" - }, - { - "uri":"dws_01_0104.html", - "product_code":"dws", - "code":"81", - "des":"A tag is a key-value pair customized by users and used to identify cloud resources. It helps users to classify and search for cloud resources.Tags are composed of key-val", - "doc_type":"usermanual", - "kw":"Overview,Managing Tags,User Guide", - "title":"Overview", - "githuburl":"" - }, - { - "uri":"dws_01_0105.html", - "product_code":"dws", - "code":"82", - "des":"This section describes how to search for clusters based on tags and how to add, modify, and delete tags for clusters.You can quickly locate a tagged cluster using tags.Yo", - "doc_type":"usermanual", - "kw":"Tag Management,Managing Tags,User Guide", - "title":"Tag Management", - "githuburl":"" - }, - { - "uri":"dws_01_0113.html", - "product_code":"dws", - "code":"83", - "des":"An enterprise project is a cloud resource management mode. Enterprise Management provides users with comprehensive management in cloud-based resources, personnel, and per", - "doc_type":"usermanual", - "kw":"Managing Enterprise Projects,Clusters,User Guide", - "title":"Managing Enterprise Projects", - "githuburl":"" - }, - { - "uri":"dws_01_0025.html", - "product_code":"dws", - "code":"84", - "des":"If you do not need to use a cluster, perform the operations in this section to delete it.Deleted clusters cannot be recovered. Additionally, you cannot access user data a", - "doc_type":"usermanual", - "kw":"Deleting Clusters,Clusters,User Guide", - "title":"Deleting Clusters", - "githuburl":"" - }, - { - "uri":"dws_01_0126.html", - "product_code":"dws", - "code":"85", - "des":"To facilitate database parameter configuration, GaussDB(DWS) provides the parameter template function. A parameter template contains some common database parameters. You ", - "doc_type":"usermanual", - "kw":"Managing Parameter Templates,Clusters,User Guide", - "title":"Managing Parameter Templates", - "githuburl":"" - }, - { - "uri":"dws_01_0073.html", - "product_code":"dws", - "code":"86", - "des":"If a cluster fails to be created, you can go to the Clusters page of the GaussDB(DWS) management console to view the cluster status and the cause of failure.For details a", - "doc_type":"usermanual", - "kw":"Managing Clusters That Fail to Be Created,Clusters,User Guide", - "title":"Managing Clusters That Fail to Be Created", - "githuburl":"" - }, - { - "uri":"dws_01_0035.html", - "product_code":"dws", - "code":"87", - "des":"No database operation is allowed on a read-only cluster. Cancel the read-only status on the management console.You can cancel the read-only status only when a cluster is ", - "doc_type":"usermanual", - "kw":"Read-only Status,Clusters,User Guide", - "title":"Read-only Status", - "githuburl":"" - }, - { - "uri":"dws_01_0161.html", - "product_code":"dws", - "code":"88", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Cluster HA", - "title":"Cluster HA", - "githuburl":"" - }, - { - "uri":"dws_01_0800.html", - "product_code":"dws", - "code":"89", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Snapshots", - "title":"Snapshots", - "githuburl":"" - }, - { - "uri":"dws_01_0151.html", - "product_code":"dws", - "code":"90", - "des":"A snapshot is a full or incremental backup of a GaussDB(DWS) cluster at a specific point in time. It records the current database data and cluster information, including ", - "doc_type":"usermanual", - "kw":"Overview,Snapshots,User Guide", - "title":"Overview", - "githuburl":"" - }, - { - "uri":"dws_01_0092.html", - "product_code":"dws", - "code":"91", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Manual Snapshots", - "title":"Manual Snapshots", - "githuburl":"" - }, - { - "uri":"dws_01_0028.html", - "product_code":"dws", - "code":"92", - "des":"A snapshot is a complete backup that records point-in-time configuration data and service data of a GaussDB(DWS) cluster. This section describes how to create a snapshot ", - "doc_type":"usermanual", - "kw":"Manually Creating a Snapshot,Manual Snapshots,User Guide", - "title":"Manually Creating a Snapshot", - "githuburl":"" - }, - { - "uri":"dws_01_0030.html", - "product_code":"dws", - "code":"93", - "des":"On the Snapshots page, you can delete a snapshot in the Unavailable state or delete an available snapshot to release the storage space.Deleted snapshots cannot be restore", - "doc_type":"usermanual", - "kw":"Deleting Manual Snapshots,Manual Snapshots,User Guide", - "title":"Deleting Manual Snapshots", - "githuburl":"" - }, - { - "uri":"dws_01_1013.html", - "product_code":"dws", - "code":"94", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Automated Snapshots", - "title":"Automated Snapshots", - "githuburl":"" - }, - { - "uri":"dws_01_10131.html", - "product_code":"dws", - "code":"95", - "des":"Automated snapshots adopt differential incremental backups. The automated snapshot created for the first time is a full backup (base version), and then the system creates", - "doc_type":"usermanual", - "kw":"Automated Snapshot Overview,Automated Snapshots,User Guide", - "title":"Automated Snapshot Overview", - "githuburl":"" - }, - { - "uri":"dws_01_0089.html", - "product_code":"dws", - "code":"96", - "des":"You can select a snapshot type and set one or more automated snapshot policies for a cluster. After an automated snapshot policy is enabled, the system automatically crea", - "doc_type":"usermanual", - "kw":"Configuring an Automated Snapshot Policy,Automated Snapshots,User Guide", - "title":"Configuring an Automated Snapshot Policy", - "githuburl":"" - }, - { - "uri":"dws_01_0085.html", - "product_code":"dws", - "code":"97", - "des":"This section describes how to copy snapshots that are automatically created for long-term retention.All snapshots are displayed by default. You can copy the snapshots tha", - "doc_type":"usermanual", - "kw":"Copying Automated Snapshots,Automated Snapshots,User Guide", - "title":"Copying Automated Snapshots", - "githuburl":"" - }, - { - "uri":"dws_01_10134.html", - "product_code":"dws", - "code":"98", - "des":"Only GaussDB(DWS) can delete automated snapshots. You cannot delete them manually.GaussDB(DWS) deletes an automated snapshot if:The retention period of the snapshot ends.", - "doc_type":"usermanual", - "kw":"Deleting an Automated Snapshot,Automated Snapshots,User Guide", - "title":"Deleting an Automated Snapshot", - "githuburl":"" - }, - { - "uri":"dws_01_0021.html", - "product_code":"dws", - "code":"99", - "des":"This section describes how to view snapshot information on the Snapshots page.In the snapshot list, all snapshots are displayed by default. Click next to the snapshot na", - "doc_type":"usermanual", - "kw":"Viewing Snapshot Information,Snapshots,User Guide", - "title":"Viewing Snapshot Information", - "githuburl":"" - }, - { - "uri":"dws_01_1015.html", - "product_code":"dws", - "code":"100", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Restoration Using a Snapshot", - "title":"Restoration Using a Snapshot", - "githuburl":"" - }, - { - "uri":"dws_01_0029.html", - "product_code":"dws", - "code":"101", - "des":"This section describes how to restore a snapshot to a new cluster when you want to check point-in-time snapshot data of the cluster.When a snapshot is restored to a new c", - "doc_type":"usermanual", - "kw":"Restoring a Snapshot to a New Cluster,Restoration Using a Snapshot,User Guide", - "title":"Restoring a Snapshot to a New Cluster", - "githuburl":"" - }, - { - "uri":"dws_01_0080.html", - "product_code":"dws", - "code":"102", - "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Cluster DR", - "title":"Cluster DR", - "githuburl":"" - }, - { - "uri":"dws_01_00081.html", - "product_code":"dws", - "code":"103", - "des":"A homogeneous GaussDB(DWS) DR cluster is deployed in another AZ. If the production cluster fails to provide read and write services due to natural disasters in the specif", - "doc_type":"usermanual", - "kw":"DR Overview,Cluster DR,User Guide", - "title":"DR Overview", - "githuburl":"" - }, - { - "uri":"dws_01_00082.html", - "product_code":"dws", - "code":"104", - "des":"You can create a DR task only when the cluster is in the Available or Unbalanced state.Type: Cross-AZ DRName: Enter 4 to 64 case-insensitive characters, starting with a l", - "doc_type":"usermanual", - "kw":"Creating a DR Task,Cluster DR,User Guide", - "title":"Creating a DR Task", - "githuburl":"" - }, - { - "uri":"dws_01_00083.html", - "product_code":"dws", - "code":"105", - "des":"On the page that is displayed, view the following information:DR Information: You can view the DR ID, DR name, DR creation time, and DR status.Production Cluster Informat", - "doc_type":"usermanual", - "kw":"Viewing DR Information,Cluster DR,User Guide", - "title":"Viewing DR Information", - "githuburl":"" - }, - { - "uri":"dws_01_00084.html", - "product_code":"dws", - "code":"106", - "des":"The DR status will change to Starting. The process will take some time. After the task is started, the DR status will change to Running.You can start a DR task that is in", - "doc_type":"usermanual", - "kw":"DR Management,Cluster DR,User Guide", - "title":"DR Management", - "githuburl":"" - }, - { - "uri":"dws_01_00085.html", - "product_code":"dws", - "code":"107", - "des":"After scale-out, the number of DNs in the production cluster must be the same as that in the DR cluster.", - "doc_type":"usermanual", - "kw":"Mutually Exclusive DR Cases,Cluster DR,User Guide", - "title":"Mutually Exclusive DR Cases", - "githuburl":"" - }, - { - "uri":"dws_01_0822.html", - "product_code":"dws", - "code":"108", - "des":"If the internal IP address or EIP of a CN is used to connect to a cluster, the failure of this CN will lead to cluster connection failure. If a private domain name is use", - "doc_type":"usermanual", - "kw":"Associating and Disassociating ELB,Cluster HA,User Guide", - "title":"Associating and Disassociating ELB", - "githuburl":"" - }, - { - "uri":"dws_01_7115.html", - "product_code":"dws", - "code":"109", - "des":"After a cluster is created, the number of required CNs varies with service requirements. The CN management function enables you to adjust the number of CNs in the cluster", - "doc_type":"usermanual", - "kw":"CNs,Cluster HA,User Guide", - "title":"CNs", - "githuburl":"" - }, { "uri":"dws_01_0162.html", "product_code":"dws", - "code":"110", + "code":"41", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Monitoring and Alarms", @@ -1100,19 +410,19 @@ "githuburl":"" }, { - "uri":"dws_01_0022.html", + "uri":"dws_01_1211.html", "product_code":"dws", - "code":"111", - "des":"This section describes how to check cluster metrics on Cloud Eye. By monitoring cluster running metrics, you can identify the time when the database cluster is abnormal a", + "code":"42", + "des":"The Dashboard page consists of the following parts:ResourcesIn the Resources module, you can view the number of available resources, including Available/Total Clusters, A", "doc_type":"usermanual", - "kw":"Monitoring Clusters Using Cloud Eye,Monitoring and Alarms,User Guide", - "title":"Monitoring Clusters Using Cloud Eye", + "kw":"Dashboard,Monitoring and Alarms,Mangement Guide", + "title":"Dashboard", "githuburl":"" }, { "uri":"dws_01_00014.html", "product_code":"dws", - "code":"112", + "code":"43", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Databases Monitoring", @@ -1122,37 +432,37 @@ { "uri":"dws_01_00131.html", "product_code":"dws", - "code":"113", + "code":"44", "des":"DMS is provided by GaussDB(DWS) to ensure the fast and stable running of databases. It collects, monitors, and analyzes the disk, network, and OS metric data used by the ", "doc_type":"usermanual", - "kw":"Database Monitoring Overview,Databases Monitoring,User Guide", + "kw":"Database Monitoring Overview,Databases Monitoring,Mangement Guide", "title":"Database Monitoring Overview", "githuburl":"" }, { "uri":"dws_01_00136.html", "product_code":"dws", - "code":"114", + "code":"45", "des":"You can check the status and available resources of a cluster and learn about its real-time resource consumption through the GaussDB(DWS) monitoring items.Table 1 describ", "doc_type":"usermanual", - "kw":"Monitoring Metrics,Databases Monitoring,User Guide", + "kw":"Monitoring Metrics,Databases Monitoring,Mangement Guide", "title":"Monitoring Metrics", "githuburl":"" }, { "uri":"dws_01_00132.html", "product_code":"dws", - "code":"115", + "code":"46", "des":"On the page that is displayed, you can view the cluster status, real-time resource consumption, top SQL statements, cluster resource consumption, and key database metrics", "doc_type":"usermanual", - "kw":"Cluster Overview,Databases Monitoring,User Guide", + "kw":"Cluster Overview,Databases Monitoring,Mangement Guide", "title":"Cluster Overview", "githuburl":"" }, { "uri":"dws_01_00133.html", "product_code":"dws", - "code":"116", + "code":"47", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Monitoring", @@ -1162,77 +472,77 @@ { "uri":"dws_01_1331.html", "product_code":"dws", - "code":"117", + "code":"48", "des":"On the page that is displayed, view the real-time consumption of nodes, memory, disks, disk I/O, and network I/O.On the Overview tab page, you can view the key resources ", "doc_type":"usermanual", - "kw":"Node Monitoring,Monitoring,User Guide", + "kw":"Node Monitoring,Monitoring,Mangement Guide", "title":"Node Monitoring", "githuburl":"" }, { "uri":"dws_01_1337.html", "product_code":"dws", - "code":"118", - "des":"The Performance Monitoring page displays the resource consumption trends of clusters and databases.You can configure monitoring views by customizing monitoring panels. Mo", + "code":"49", + "des":"You can select a time range and check the performance trend in this range.By default, the monitoring information of the last hour is displayed.You can view the monitoring", "doc_type":"usermanual", - "kw":"Performance Monitoring,Monitoring,User Guide", + "kw":"Performance Monitoring,Monitoring,Mangement Guide", "title":"Performance Monitoring", "githuburl":"" }, { "uri":"dws_01_1332.html", "product_code":"dws", - "code":"119", + "code":"50", "des":"The Database Monitoring page displays the real-time and historical resource consumption a database.You can select a database and check its resource usage. For details, se", "doc_type":"usermanual", - "kw":"Database Monitoring,Monitoring,User Guide", + "kw":"Database Monitoring,Monitoring,Mangement Guide", "title":"Database Monitoring", "githuburl":"" }, - { - "uri":"dws_01_1333.html", - "product_code":"dws", - "code":"120", - "des":"The Session Monitoring page displays the session-level real-time database query statistics. You can also select and terminate a session.You can browse the query statistic", - "doc_type":"usermanual", - "kw":"Session Monitoring,Monitoring,User Guide", - "title":"Session Monitoring", - "githuburl":"" - }, { "uri":"dws_01_1334.html", "product_code":"dws", - "code":"121", - "des":"The Query Monitoring page displays the real-time information about all queries that are running in a cluster and the historical information about the queries that have be", + "code":"51", + "des":"You can check the real-time information about all queries and sessions running in the cluster.Real-time query is supported only in clusters of version 8.1.2 and later.You", "doc_type":"usermanual", - "kw":"Query Monitoring,Monitoring,User Guide", - "title":"Query Monitoring", + "kw":"Real-Time Queries,Monitoring,Mangement Guide", + "title":"Real-Time Queries", + "githuburl":"" + }, + { + "uri":"dws_01_1333.html", + "product_code":"dws", + "code":"52", + "des":"All the historical queries in the current cluster will be displayed.Historical queries can be viewed only in clusters of version 8.1.2 and later.To enable historical quer", + "doc_type":"usermanual", + "kw":"Historical Queries,Monitoring,Mangement Guide", + "title":"Historical Queries", "githuburl":"" }, { "uri":"dws_01_1338.html", "product_code":"dws", - "code":"122", + "code":"53", "des":"On the Instance Monitoring page, you can view the real-time and historical information about detected slow instances.DMS can automatically configure and start the slow in", "doc_type":"usermanual", - "kw":"Instance Monitoring,Monitoring,User Guide", + "kw":"Instance Monitoring,Monitoring,Mangement Guide", "title":"Instance Monitoring", "githuburl":"" }, { "uri":"dws_01_1339.html", "product_code":"dws", - "code":"123", - "des":"On the Load Monitoring page, you can view the real-time and historical resource consumption of workload queues.The DMS displays the user-defined workload queue name, real", + "code":"54", + "des":"You can check the real-time statistics and resource consumption history about resource pools.You can check user-defined resource pools, real-time and historical resource ", "doc_type":"usermanual", - "kw":"Load Monitoring,Monitoring,User Guide", - "title":"Load Monitoring", + "kw":"Resource Pool Monitoring,Monitoring,Mangement Guide", + "title":"Resource Pool Monitoring", "githuburl":"" }, { "uri":"dws_01_00175.html", "product_code":"dws", - "code":"124", + "code":"55", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Utilities", @@ -1242,37 +552,97 @@ { "uri":"dws_01_00134.html", "product_code":"dws", - "code":"125", - "des":"To enable SQL diagnosis, enable monitoring on real-time and historical queries on the Queries and History tabs, respectively. For details, see .Query IDDatabaseSchema Nam", + "code":"56", + "des":"To enable SQL diagnosis, enable monitoring on real-time and historical queries on the Queries and History tabs, respectively. For details, see Monitoring Collection.Query", "doc_type":"usermanual", - "kw":"SQL Diagnosis,Utilities,User Guide", + "kw":"SQL Diagnosis,Utilities,Mangement Guide", "title":"SQL Diagnosis", "githuburl":"" }, + { + "uri":"dws_01_01753.html", + "product_code":"dws", + "code":"57", + "des":"You can upload and verify SQL probes, execute probe tasks in one click, and periodically execute probe tasks. Alarms can be reported for timeout SQL probes. The following", + "doc_type":"usermanual", + "kw":"SQL Probes,Utilities,Mangement Guide", + "title":"SQL Probes", + "githuburl":"" + }, { "uri":"dws_01_01752.html", "product_code":"dws", - "code":"126", - "des":"You can audit DDL to check DDL metadata, identify inappropriate table definitions, and locate performance problems.This feature is supported only in cluster version 8.1.2", + "code":"58", + "des":"GaussDB(DWS) provides statistics and diagnostic tools for you to learn table status, including:Skew Rate: monitors and analyzes data table statistics in the cluster, and ", "doc_type":"usermanual", - "kw":"DDL Audit,Utilities,User Guide", - "title":"DDL Audit", + "kw":"Table Diagnosis,Utilities,Mangement Guide", + "title":"Table Diagnosis", + "githuburl":"" + }, + { + "uri":"dws_01_00139.html", + "product_code":"dws", + "code":"59", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Workload Analysis", + "title":"Workload Analysis", + "githuburl":"" + }, + { + "uri":"dws_01_00142.html", + "product_code":"dws", + "code":"60", + "des":"The workload analysis tool of GaussDB(DWS) collects and analyzes database performance data. You can create workload snapshots to record cluster workload data in a specifi", + "doc_type":"usermanual", + "kw":"Workload Analysis Overview,Workload Analysis,Mangement Guide", + "title":"Workload Analysis Overview", + "githuburl":"" + }, + { + "uri":"dws_01_00140.html", + "product_code":"dws", + "code":"61", + "des":"You can check the basic information about the cluster workload snapshots, manually create a snapshot, and configure snapshot parameters.Before creating a workload snapsho", + "doc_type":"usermanual", + "kw":"Workload Snapshots,Workload Analysis,Mangement Guide", + "title":"Workload Snapshots", + "githuburl":"" + }, + { + "uri":"dws_01_00141.html", + "product_code":"dws", + "code":"62", + "des":"You can create, download, and delete work diagnosis reports, and check historical workload diagnosis reports.To create a workload report, obtain the required OBS bucket p", + "doc_type":"usermanual", + "kw":"Workload Reports,Workload Analysis,Mangement Guide", + "title":"Workload Reports", "githuburl":"" }, { "uri":"dws_01_00135.html", "product_code":"dws", - "code":"127", + "code":"63", "des":"The Monitoring page displays the collection period and data aging period of monitoring metrics.The cluster monitoring function is enabled by default.Disable the function ", "doc_type":"usermanual", - "kw":"Settings,Databases Monitoring,User Guide", + "kw":"Settings,Databases Monitoring,Mangement Guide", "title":"Settings", "githuburl":"" }, + { + "uri":"dws_01_0143.html", + "product_code":"dws", + "code":"64", + "des":"On the task details page, you can view the status of tasks, such as enabling, disabling, resetting, and modifying cluster monitoring collection items; one-click DDL revie", + "doc_type":"usermanual", + "kw":"Checking Task Details,Databases Monitoring,Mangement Guide", + "title":"Checking Task Details", + "githuburl":"" + }, { "uri":"dws_01_00137.html", "product_code":"dws", - "code":"128", + "code":"65", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Typical Scenarios", @@ -1282,27 +652,37 @@ { "uri":"dws_01_01372.html", "product_code":"dws", - "code":"129", + "code":"66", "des":"The execution of SQL statements takes a long time, resulting in great resource consumption.If the execution efficiency of SQL statements is low, optimization suggestions ", "doc_type":"usermanual", - "kw":"SQL Diagnosis,Typical Scenarios,User Guide", + "kw":"SQL Diagnosis,Typical Scenarios,Mangement Guide", "title":"SQL Diagnosis", "githuburl":"" }, { "uri":"dws_01_01373.html", "product_code":"dws", - "code":"130", + "code":"67", "des":"Time-consuming SQL statements exist.On the Top 5 Time-Consuming Queries page directed from the Cluster Overview page, record the change of top 5 time-consuming queries.An", "doc_type":"usermanual", - "kw":"Top Time-Consuming SQL Statements Viewing,Typical Scenarios,User Guide", + "kw":"Top Time-Consuming SQL Statements Viewing,Typical Scenarios,Mangement Guide", "title":"Top Time-Consuming SQL Statements Viewing", "githuburl":"" }, + { + "uri":"dws_01_0022.html", + "product_code":"dws", + "code":"68", + "des":"This section describes how to check cluster metrics on Cloud Eye. By monitoring cluster running metrics, you can identify the time when the database cluster is abnormal a", + "doc_type":"usermanual", + "kw":"Monitoring Clusters Using Cloud Eye,Monitoring and Alarms,Mangement Guide", + "title":"Monitoring Clusters Using Cloud Eye", + "githuburl":"" + }, { "uri":"dws_01_1240.html", "product_code":"dws", - "code":"131", + "code":"69", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Alarms", @@ -1312,87 +692,657 @@ { "uri":"dws_01_1241.html", "product_code":"dws", - "code":"132", + "code":"70", "des":"Alarm management includes viewing and configuring alarm rules and subscribing to alarm information. Alarm rules display alarm statistics and details of the past week for ", "doc_type":"usermanual", - "kw":"Alarm Management,Alarms,User Guide", + "kw":"Alarm Management,Alarms,Mangement Guide", "title":"Alarm Management", "githuburl":"" }, { "uri":"dws_01_1242.html", "product_code":"dws", - "code":"133", + "code":"71", "des":"Concepts related to threshold alarmsAlarm rule: consists of the alarm rule name, rule description, clusters associated with the rule, alarm policy triggering relationship", "doc_type":"usermanual", - "kw":"Alarm Rules,Alarms,User Guide", + "kw":"Alarm Rules,Alarms,Mangement Guide", "title":"Alarm Rules", "githuburl":"" }, { "uri":"dws_01_1243.html", "product_code":"dws", - "code":"134", + "code":"72", "des":"You can subscribe to GaussDB(DWS) alarm notifications to receive notifications by SMS message, email, or application when an alarm of a specified severity is generated.To", "doc_type":"usermanual", - "kw":"Alarm Subscriptions,Alarms,User Guide", + "kw":"Alarm Subscriptions,Alarms,Mangement Guide", "title":"Alarm Subscriptions", "githuburl":"" }, { - "uri":"dws_01_0700.html", + "uri":"dws_01_0100.html", "product_code":"dws", - "code":"135", + "code":"73", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", - "kw":"Cluster Security Management", - "title":"Cluster Security Management", + "kw":"Event Notifications", + "title":"Event Notifications", "githuburl":"" }, { - "uri":"dws_01_0074.html", + "uri":"dws_01_0099.html", "product_code":"dws", - "code":"136", - "des":"By default, the administrator specified when you create a GaussDB(DWS) cluster is the database system administrator. The administrator can create other users and view the", + "code":"74", + "des":"Events are records of changes in the user's cluster status. Events can be triggered by user operations (such as audit events), or may be caused by cluster service status ", "doc_type":"usermanual", - "kw":"Configuring Separation of Permissions,Cluster Security Management,User Guide", - "title":"Configuring Separation of Permissions", + "kw":"Event Notifications Overview,Event Notifications,Mangement Guide", + "title":"Event Notifications Overview", "githuburl":"" }, { - "uri":"dws_01_0145.html", + "uri":"dws_01_0101.html", "product_code":"dws", - "code":"137", + "code":"75", + "des":"After subscribing to GaussDB(DWS) event notification, you will receive notifications by text message, email, or application when management, monitoring, or security event", + "doc_type":"usermanual", + "kw":"Subscribing to Event Notifications,Event Notifications,Mangement Guide", + "title":"Subscribing to Event Notifications", + "githuburl":"" + }, + { + "uri":"dws_01_0102.html", + "product_code":"dws", + "code":"76", + "des":"This section describes how to search for events that occur in a cluster or snapshot.On the Events tab page, all events that occur in the clusters or snapshots are display", + "doc_type":"usermanual", + "kw":"Viewing Events,Event Notifications,Mangement Guide", + "title":"Viewing Events", + "githuburl":"" + }, + { + "uri":"dws_01_0132.html", + "product_code":"dws", + "code":"77", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", - "kw":"Permissions", - "title":"Permissions", + "kw":"Specifications Change and Scaling", + "title":"Specifications Change and Scaling", "githuburl":"" }, { - "uri":"dws_01_0150.html", + "uri":"dws_01_0818.html", "product_code":"dws", - "code":"138", - "des":"An RBAC policy consists of a Version, a Statement, and Depends.When selecting a policy for a user group, click below the policy to view the details of the policy. The DW", + "code":"78", + "des":"On the Nodes tab page, you can view the node list of the current cluster, add new nodes to or remove nodes from it, and view the node usage, status, and flavors. To modif", "doc_type":"usermanual", - "kw":"RBAC Syntax of RBAC Policies,Permissions,User Guide", - "title":"RBAC Syntax of RBAC Policies", + "kw":"Managing Nodes,Specifications Change and Scaling,Mangement Guide", + "title":"Managing Nodes", "githuburl":"" }, { - "uri":"dws_01_0701.html", + "uri":"dws_01_0910.html", "product_code":"dws", - "code":"139", - "des":"GaussDB(DWS) protects mission-critical operations. If you want to perform a mission-critical operation on the management console, you must enter a credential for identity", + "code":"79", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", - "kw":"Protection for Mission-Critical Operations,Cluster Security Management,User Guide", - "title":"Protection for Mission-Critical Operations", + "kw":"Scaling Nodes", + "title":"Scaling Nodes", + "githuburl":"" + }, + { + "uri":"dws_01_0023.html", + "product_code":"dws", + "code":"80", + "des":"When you need more compute and storage resources, add more nodes for cluster scale-out on the management console.After the data in a data warehouse is deleted, the occupi", + "doc_type":"usermanual", + "kw":"Scaling Out a Cluster,Scaling Nodes,Mangement Guide", + "title":"Scaling Out a Cluster", + "githuburl":"" + }, + { + "uri":"dws_01_0820.html", + "product_code":"dws", + "code":"81", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Cluster Redistribution", + "title":"Cluster Redistribution", + "githuburl":"" + }, + { + "uri":"dws_01_8201.html", + "product_code":"dws", + "code":"82", + "des":"Data redistribution, where data in existing nodes is evenly allocated to the new nodes after you scale out a cluster, is a time-consuming yet crucial task that accelerate", + "doc_type":"usermanual", + "kw":"Redistributing Data,Cluster Redistribution,Mangement Guide", + "title":"Redistributing Data", + "githuburl":"" + }, + { + "uri":"dws_01_8202.html", + "product_code":"dws", + "code":"83", + "des":"On the View Redistribution Details page, you can view the redistribution mode and progress of the current cluster. In offline scheduling mode, you can pause, resume, and ", + "doc_type":"usermanual", + "kw":"Viewing Redistribution Details,Cluster Redistribution,Mangement Guide", + "title":"Viewing Redistribution Details", + "githuburl":"" + }, + { + "uri":"dws_01_0821.html", + "product_code":"dws", + "code":"84", + "des":"You can scale in your clusters on the console to release unnecessary computing and storage resources provided by GaussDB(DWS).Before the scale-in, exit the client connect", + "doc_type":"usermanual", + "kw":"Scaling In a Cluster,Scaling Nodes,Mangement Guide", + "title":"Scaling In a Cluster", + "githuburl":"" + }, + { + "uri":"dws_01_0911.html", + "product_code":"dws", + "code":"85", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Changing Specifications", + "title":"Changing Specifications", + "githuburl":"" + }, + { + "uri":"dws_01_0829.html", + "product_code":"dws", + "code":"86", + "des":"If you only need to cope with occasional service peaks or only increase computing capabilities, you are advised to modify cluster specifications instead of adding nodes. ", + "doc_type":"usermanual", + "kw":"Changing the Node Flavor,Changing Specifications,Mangement Guide", + "title":"Changing the Node Flavor", + "githuburl":"" + }, + { + "uri":"dws_01_0825.html", + "product_code":"dws", + "code":"87", + "des":"If you want to change your cluster topology or capacity but the Change node flavor option is grayed out, you can select Change all specifications to increase or decrease ", + "doc_type":"usermanual", + "kw":"Changing All Specifications,Changing Specifications,Mangement Guide", + "title":"Changing All Specifications", + "githuburl":"" + }, + { + "uri":"dws_01_0828.html", + "product_code":"dws", + "code":"88", + "des":"In conventional scaling, compute and storage resources are coupled. If a company scales out disks, it has to add unnecessary CPUs and memory at the same time. The scaling", + "doc_type":"usermanual", + "kw":"Disk Capacity Expansion of an EVS Cluster,Changing Specifications,Mangement Guide", + "title":"Disk Capacity Expansion of an EVS Cluster", + "githuburl":"" + }, + { + "uri":"dws_01_0161.html", + "product_code":"dws", + "code":"89", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Backup and Disaster Recovery", + "title":"Backup and Disaster Recovery", + "githuburl":"" + }, + { + "uri":"dws_01_0800.html", + "product_code":"dws", + "code":"90", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Snapshots", + "title":"Snapshots", + "githuburl":"" + }, + { + "uri":"dws_01_0151.html", + "product_code":"dws", + "code":"91", + "des":"A snapshot is a full or incremental backup of a GaussDB(DWS) cluster at a specific point in time. It records the current database data and cluster information, including ", + "doc_type":"usermanual", + "kw":"Overview,Snapshots,Mangement Guide", + "title":"Overview", + "githuburl":"" + }, + { + "uri":"dws_01_0092.html", + "product_code":"dws", + "code":"92", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Manual Snapshots", + "title":"Manual Snapshots", + "githuburl":"" + }, + { + "uri":"dws_01_0028.html", + "product_code":"dws", + "code":"93", + "des":"A cluster snapshot is a complete backup that records point-in-time configuration data and service data of a GaussDB(DWS) cluster. This section describes how to create a s", + "doc_type":"usermanual", + "kw":"Creating a Manual Snapshot,Manual Snapshots,Mangement Guide", + "title":"Creating a Manual Snapshot", + "githuburl":"" + }, + { + "uri":"dws_01_0030.html", + "product_code":"dws", + "code":"94", + "des":"On the Snapshot Management page of the GaussDB(DWS) management console, you can delete an unwanted snapshot in the Unavailable state or delete an available snapshot to re", + "doc_type":"usermanual", + "kw":"Deleting a Manual Snapshot,Manual Snapshots,Mangement Guide", + "title":"Deleting a Manual Snapshot", + "githuburl":"" + }, + { + "uri":"dws_01_1013.html", + "product_code":"dws", + "code":"95", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Automated Snapshots", + "title":"Automated Snapshots", + "githuburl":"" + }, + { + "uri":"dws_01_10131.html", + "product_code":"dws", + "code":"96", + "des":"Automated snapshots adopt differential incremental backups. The automated snapshot created for the first time is a full backup (base version), and then the system creates", + "doc_type":"usermanual", + "kw":"Automatic Snapshot Overview,Automated Snapshots,Mangement Guide", + "title":"Automatic Snapshot Overview", + "githuburl":"" + }, + { + "uri":"dws_01_0089.html", + "product_code":"dws", + "code":"97", + "des":"You can select a snapshot type and set one or more automated snapshot policies for a cluster. After an automated snapshot policy is enabled, the system automatically crea", + "doc_type":"usermanual", + "kw":"Configuring an Automated Snapshot Policy,Automated Snapshots,Mangement Guide", + "title":"Configuring an Automated Snapshot Policy", + "githuburl":"" + }, + { + "uri":"dws_01_0085.html", + "product_code":"dws", + "code":"98", + "des":"This section describes how to copy snapshots that are automatically created for long-term retention.All snapshots are displayed by default. You can copy the snapshots tha", + "doc_type":"usermanual", + "kw":"Copying Automated Snapshots,Automated Snapshots,Mangement Guide", + "title":"Copying Automated Snapshots", + "githuburl":"" + }, + { + "uri":"dws_01_10134.html", + "product_code":"dws", + "code":"99", + "des":"Only GaussDB(DWS) can delete automated snapshots; you cannot delete them manually.GaussDB(DWS) deletes an automated snapshot if:The retention period of the snapshot ends.", + "doc_type":"usermanual", + "kw":"Deleting an Automated Snapshot,Automated Snapshots,Mangement Guide", + "title":"Deleting an Automated Snapshot", + "githuburl":"" + }, + { + "uri":"dws_01_0021.html", + "product_code":"dws", + "code":"100", + "des":"This section describes how to view snapshot information on the Snapshots page.In the snapshot list, all snapshots are displayed by default. Click next to the snapshot na", + "doc_type":"usermanual", + "kw":"Viewing Snapshot Information,Snapshots,Mangement Guide", + "title":"Viewing Snapshot Information", + "githuburl":"" + }, + { + "uri":"dws_01_1015.html", + "product_code":"dws", + "code":"101", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Restoration Using a Snapshot", + "title":"Restoration Using a Snapshot", + "githuburl":"" + }, + { + "uri":"dws_01_0029.html", + "product_code":"dws", + "code":"102", + "des":"This section describes how to restore a snapshot to a new cluster when you want to check point-in-time snapshot data of the cluster.When a snapshot is restored to a new c", + "doc_type":"usermanual", + "kw":"Restoring a Snapshot to a New Cluster,Restoration Using a Snapshot,Mangement Guide", + "title":"Restoring a Snapshot to a New Cluster", + "githuburl":"" + }, + { + "uri":"dws_01_00097.html", + "product_code":"dws", + "code":"103", + "des":"You can use a snapshot to restore data to the original cluster. This function is used when a cluster is faulty or data needs to be rolled back to a specified snapshot ver", + "doc_type":"usermanual", + "kw":"Restoring a Snapshot to the Original Cluster,Restoration Using a Snapshot,Mangement Guide", + "title":"Restoring a Snapshot to the Original Cluster", + "githuburl":"" + }, + { + "uri":"dws_01_1071.html", + "product_code":"dws", + "code":"104", + "des":"You can configure the parameters for creating and restoring a snapshot.This function supports only clusters 8.2.0 or later. In addition, ensure that the agent has been up", + "doc_type":"usermanual", + "kw":"Configuring a Snapshot,Snapshots,Mangement Guide", + "title":"Configuring a Snapshot", + "githuburl":"" + }, + { + "uri":"dws_01_1019.html", + "product_code":"dws", + "code":"105", + "des":"You can stop snapshot creation on the Snapshots page.This feature is supported only in version 8.1.3.200 and later.If the snapshot is ready to complete, the command for s", + "doc_type":"usermanual", + "kw":"Stopping Snapshot Creation,Snapshots,Mangement Guide", + "title":"Stopping Snapshot Creation", + "githuburl":"" + }, + { + "uri":"dws_01_0080.html", + "product_code":"dws", + "code":"106", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Cluster DR", + "title":"Cluster DR", + "githuburl":"" + }, + { + "uri":"dws_01_00081.html", + "product_code":"dws", + "code":"107", + "des":"A homogeneous GaussDB(DWS) disaster recovery (DR) cluster is deployed in another AZ. If the production cluster fails to provide read and write services due to natural dis", + "doc_type":"usermanual", + "kw":"DR Overview,Cluster DR,Mangement Guide", + "title":"DR Overview", + "githuburl":"" + }, + { + "uri":"dws_01_00082.html", + "product_code":"dws", + "code":"108", + "des":"PrerequisitesYou can create a DR task only when the cluster is in the Available or Unbalanced state.ProcedureType: Cross-AZ DRName: Enter 4 to 64 case-insensitive charact", + "doc_type":"usermanual", + "kw":"Creating a DR Task,Cluster DR,Mangement Guide", + "title":"Creating a DR Task", + "githuburl":"" + }, + { + "uri":"dws_01_00083.html", + "product_code":"dws", + "code":"109", + "des":"On the page that is displayed, view the following information:DR Information: You can view the DR ID, DR name, DR creation time, and DR status.Production Cluster Informat", + "doc_type":"usermanual", + "kw":"Viewing DR Information,Cluster DR,Mangement Guide", + "title":"Viewing DR Information", + "githuburl":"" + }, + { + "uri":"dws_01_00084.html", + "product_code":"dws", + "code":"110", + "des":"The DR status will change to Starting. The process will take some time. After the task is started, the DR status will change to Running.You can start a DR task that is in", + "doc_type":"usermanual", + "kw":"DR Management,Cluster DR,Mangement Guide", + "title":"DR Management", + "githuburl":"" + }, + { + "uri":"dws_01_00085.html", + "product_code":"dws", + "code":"111", + "des":"After scale-out, the number of DNs in the production cluster must be the same as that in the DR cluster.", + "doc_type":"usermanual", + "kw":"Mutually Exclusive DR Cases,Cluster DR,Mangement Guide", + "title":"Mutually Exclusive DR Cases", + "githuburl":"" + }, + { + "uri":"dws_01_1160.html", + "product_code":"dws", + "code":"112", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Intelligent O&M", + "title":"Intelligent O&M", + "githuburl":"" + }, + { + "uri":"dws_01_1161.html", + "product_code":"dws", + "code":"113", + "des":"Intelligent O&M helps GaussDB(DWS) users with O&M tasks. With this feature, you can specify the proper time window and number of tasks to execute based on the cluster wor", + "doc_type":"usermanual", + "kw":"Overview,Intelligent O&M,Mangement Guide", + "title":"Overview", + "githuburl":"" + }, + { + "uri":"dws_01_1162.html", + "product_code":"dws", + "code":"114", + "des":"This configuration takes effect for the VACUUM FULL O&M tasks of all user tables.The concurrency value range is 1 to 24. Configure it based on the remaining disk space an", + "doc_type":"usermanual", + "kw":"O&M Plans,Intelligent O&M,Mangement Guide", + "title":"O&M Plans", + "githuburl":"" + }, + { + "uri":"dws_01_1163.html", + "product_code":"dws", + "code":"115", + "des":"O&M Task: VacuumStatus:WaitingRunningFinishedCanceledWaitingRunningFinishedCanceledProgressRemaining Time WindowTime Window (UTC)Tables Being VacuumedTables to Be Vacuume", + "doc_type":"usermanual", + "kw":"O&M Status,Intelligent O&M,Mangement Guide", + "title":"O&M Status", + "githuburl":"" + }, + { + "uri":"dws_01_0600.html", + "product_code":"dws", + "code":"116", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Cluster Management", + "title":"Cluster Management", + "githuburl":"" + }, + { + "uri":"dws_01_0152.html", + "product_code":"dws", + "code":"117", + "des":"After a cluster is created, you can modify the cluster's database parameters as required. On the GaussDB(DWS) management console, you can configure common database parame", + "doc_type":"usermanual", + "kw":"Modifying Database Parameters,Cluster Management,Mangement Guide", + "title":"Modifying Database Parameters", + "githuburl":"" + }, + { + "uri":"dws_01_0020.html", + "product_code":"dws", + "code":"118", + "des":"On the Clusters page of the GaussDB(DWS) management console, you can view the general information about a cluster in the cluster list, such as the cluster status, task in", + "doc_type":"usermanual", + "kw":"Checking the Cluster Status,Cluster Management,Mangement Guide", + "title":"Checking the Cluster Status", + "githuburl":"" + }, + { + "uri":"dws_01_0112.html", + "product_code":"dws", + "code":"119", + "des":"Log in to the GaussDB(DWS) management console. In the navigation tree on the left, click Clusters. In the cluster list, locate the required cluster and click its name. Th", + "doc_type":"usermanual", + "kw":"Viewing Cluster Details,Cluster Management,Mangement Guide", + "title":"Viewing Cluster Details", + "githuburl":"" + }, + { + "uri":"dws_01_0140.html", + "product_code":"dws", + "code":"120", + "des":"A domain name is a string of characters separated by dots to identify the location of a computer or a computer group on the Internet, for example, www.example.com. You ca", + "doc_type":"usermanual", + "kw":"Managing Access Domain Names,Cluster Management,Mangement Guide", + "title":"Managing Access Domain Names", + "githuburl":"" + }, + { + "uri":"dws_01_0159.html", + "product_code":"dws", + "code":"121", + "des":"A topology shows all the nodes in a cluster. You can check the node statuses, processes, and IP addresses.You can check the topology structure and node processes.Only clu", + "doc_type":"usermanual", + "kw":"Cluster Topology,Cluster Management,Mangement Guide", + "title":"Cluster Topology", + "githuburl":"" + }, + { + "uri":"dws_01_0103.html", + "product_code":"dws", + "code":"122", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Managing Tags", + "title":"Managing Tags", + "githuburl":"" + }, + { + "uri":"dws_01_0104.html", + "product_code":"dws", + "code":"123", + "des":"A tag is a key-value pair customized by users and used to identify cloud resources. It helps users to classify and search for cloud resources.Tags are composed of key-val", + "doc_type":"usermanual", + "kw":"Overview,Managing Tags,Mangement Guide", + "title":"Overview", + "githuburl":"" + }, + { + "uri":"dws_01_0105.html", + "product_code":"dws", + "code":"124", + "des":"This section describes how to search for clusters based on tags and how to add, modify, and delete tags for clusters.You can quickly locate a tagged cluster using tags.Yo", + "doc_type":"usermanual", + "kw":"Tag Management,Managing Tags,Mangement Guide", + "title":"Tag Management", + "githuburl":"" + }, + { + "uri":"dws_01_0113.html", + "product_code":"dws", + "code":"125", + "des":"An enterprise project is a cloud resource management mode. Enterprise Management provides users with comprehensive management in cloud-based resources, personnel, and per", + "doc_type":"usermanual", + "kw":"Managing Enterprise Projects,Cluster Management,Mangement Guide", + "title":"Managing Enterprise Projects", + "githuburl":"" + }, + { + "uri":"dws_01_0073.html", + "product_code":"dws", + "code":"126", + "des":"If a cluster fails to be created, you can go to the Clusters page of the GaussDB(DWS) management console to view the cluster status and the cause of failure.For details a", + "doc_type":"usermanual", + "kw":"Managing Clusters That Fail to Be Created,Cluster Management,Mangement Guide", + "title":"Managing Clusters That Fail to Be Created", + "githuburl":"" + }, + { + "uri":"dws_01_0035.html", + "product_code":"dws", + "code":"127", + "des":"A cluster in read-only status does not allow write operations. You can remove this status on the management console. A cluster becomes read-only probably because of high ", + "doc_type":"usermanual", + "kw":"Removing the Read-only Status,Cluster Management,Mangement Guide", + "title":"Removing the Read-only Status", + "githuburl":"" + }, + { + "uri":"dws_01_8115.html", + "product_code":"dws", + "code":"128", + "des":"In the Unbalanced state, the number of primary instances on some nodes increases. As a result, the load pressure is high. In this case, the cluster is normal, but the ove", + "doc_type":"usermanual", + "kw":"Performing a Primary/Standby Switchback,Cluster Management,Mangement Guide", + "title":"Performing a Primary/Standby Switchback", + "githuburl":"" + }, + { + "uri":"dws_01_0024.html", + "product_code":"dws", + "code":"129", + "des":"If a cluster is in the Unbalanced state or cannot work properly, you may need to restart it for restoration. After modifying a cluster's configurations, such as security ", + "doc_type":"usermanual", + "kw":"Cluster Restart,Cluster Management,Mangement Guide", + "title":"Cluster Restart", + "githuburl":"" + }, + { + "uri":"dws_01_0026.html", + "product_code":"dws", + "code":"130", + "des":"GaussDB(DWS) allows you to reset the password of the database administrator. If a database administrator forgets their password or the account is locked because the numbe", + "doc_type":"usermanual", + "kw":"Resetting a Password,Cluster Management,Mangement Guide", + "title":"Resetting a Password", + "githuburl":"" + }, + { + "uri":"dws_01_0008.html", + "product_code":"dws", + "code":"131", + "des":"After you create a data warehouse cluster, the system automatically configures a random maintenance window for the cluster. Alternatively, you can customize a maintenance", + "doc_type":"usermanual", + "kw":"Cluster Upgrade,Cluster Management,Mangement Guide", + "title":"Cluster Upgrade", + "githuburl":"" + }, + { + "uri":"dws_01_0822.html", + "product_code":"dws", + "code":"132", + "des":"If the internal IP address or EIP of a CN is used to connect to a cluster, the failure of this CN will lead to cluster connection failure. If a private domain name is use", + "doc_type":"usermanual", + "kw":"Associating and Disassociating ELB,Cluster Management,Mangement Guide", + "title":"Associating and Disassociating ELB", + "githuburl":"" + }, + { + "uri":"dws_01_7115.html", + "product_code":"dws", + "code":"133", + "des":"After a cluster is created, the number of required CNs varies with service requirements. The CN management function enables you to adjust the number of CNs in the cluster", + "doc_type":"usermanual", + "kw":"Managing CNs,Cluster Management,Mangement Guide", + "title":"Managing CNs", + "githuburl":"" + }, + { + "uri":"dws_01_01111.html", + "product_code":"dws", + "code":"134", + "des":"Cluster logs are collected and sent to Log Tank Service (LTS). You can check or dump the collected cluster logs on LTS.Currently, the following log types are supported:CN", + "doc_type":"usermanual", + "kw":"Cluster Log Management,Mangement Guide", + "title":"Cluster Log Management", "githuburl":"" }, { "uri":"dws_01_0119.html", "product_code":"dws", - "code":"140", + "code":"135", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", "kw":"Audit Logs", @@ -1402,49 +1352,379 @@ { "uri":"dws_01_1911.html", "product_code":"dws", - "code":"141", - "des":"Tenant database audit logs:GaussDB(DWS) allows you to record the audit logs of specific operations, involving audit log retention policies, unauthorized access, as well a", + "code":"136", + "des":"GaussDB(DWS) provides database audit logs for users to query service logs, analyze problems, and learn product security and performance status.If the Security function is", "doc_type":"usermanual", - "kw":"Overview,Audit Logs,User Guide", - "title":"Overview", + "kw":"Audit Log Overview,Audit Logs,Mangement Guide", + "title":"Audit Log Overview", "githuburl":"" }, { "uri":"dws_01_0118.html", "product_code":"dws", - "code":"142", - "des":"This section is organized as follows:Enabling CTSDisabling the Audit Log FunctionKey OperationsViewing TracesA tracker will be automatically created after CTS is enabled.", + "code":"137", + "des":"A tracker will be automatically created after CTS is enabled. All traces recorded by CTS are associated with a tracker. Currently, only one tracker can be created for eac", "doc_type":"usermanual", - "kw":"Viewing Audit Logs of Key Operations on the Management Console,Audit Logs,User Guide", - "title":"Viewing Audit Logs of Key Operations on the Management Console", + "kw":"Management Console Audit Logs,Audit Logs,Mangement Guide", + "title":"Management Console Audit Logs", + "githuburl":"" + }, + { + "uri":"dws_01_0184.html", + "product_code":"dws", + "code":"138", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Database Audit Logs", + "title":"Database Audit Logs", "githuburl":"" }, { "uri":"dws_01_0075.html", "product_code":"dws", - "code":"143", + "code":"139", "des":"Database audit logs are configured on the Security Settings page. You can change security settings only when the cluster status is Available and Unbalanced, and Task Info", "doc_type":"usermanual", - "kw":"Configuring the Database Audit Logs,Audit Logs,User Guide", + "kw":"Configuring the Database Audit Logs,Database Audit Logs,Mangement Guide", "title":"Configuring the Database Audit Logs", "githuburl":"" }, { "uri":"dws_01_0142.html", "product_code":"dws", - "code":"144", + "code":"140", "des":"GaussDB(DWS) records information (audit logs) about connections and user activities in your database. With the information, you can monitor the database to ensure securit", "doc_type":"usermanual", - "kw":"Dumping the Database Audit Logs,Audit Logs,User Guide", + "kw":"Dumping the Database Audit Logs,Database Audit Logs,Mangement Guide", "title":"Dumping the Database Audit Logs", "githuburl":"" }, + { + "uri":"dws_01_0183.html", + "product_code":"dws", + "code":"141", + "des":"The audit function has been enabled by setting audit_enabled. The default value of audit_enabled is ON. If audit_enabled is disabled, set it to ON by referring to Modifyi", + "doc_type":"usermanual", + "kw":"Viewing Database Audit Logs,Database Audit Logs,Mangement Guide", + "title":"Viewing Database Audit Logs", + "githuburl":"" + }, + { + "uri":"dws_01_0700.html", + "product_code":"dws", + "code":"142", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Cluster Security Management", + "title":"Cluster Security Management", + "githuburl":"" + }, + { + "uri":"dws_01_0074.html", + "product_code":"dws", + "code":"143", + "des":"By default, the administrator specified when you create a GaussDB(DWS) cluster is the database system administrator. The administrator can create other users and view the", + "doc_type":"usermanual", + "kw":"Configuring Separation of Permissions,Cluster Security Management,Mangement Guide", + "title":"Configuring Separation of Permissions", + "githuburl":"" + }, + { + "uri":"dws_01_0145.html", + "product_code":"dws", + "code":"144", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Permissions", + "title":"Permissions", + "githuburl":"" + }, + { + "uri":"dws_01_0149.html", + "product_code":"dws", + "code":"145", + "des":"In actual services, you may need to grant different operation permissions on resources to users of different roles. The IAM service provides fine-grained access control. ", + "doc_type":"usermanual", + "kw":"Syntax of Fine-Grained Permissions Policies,Permissions,Mangement Guide", + "title":"Syntax of Fine-Grained Permissions Policies", + "githuburl":"" + }, + { + "uri":"dws_01_0150.html", + "product_code":"dws", + "code":"146", + "des":"An RBAC policy consists of a Version, a Statement, and Depends.When selecting a policy for a user group, click below the policy to view the details of the policy. The DW", + "doc_type":"usermanual", + "kw":"RBAC Syntax of RBAC Policies,Permissions,Mangement Guide", + "title":"RBAC Syntax of RBAC Policies", + "githuburl":"" + }, + { + "uri":"dws_01_0723.html", + "product_code":"dws", + "code":"147", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Resource Management", + "title":"Resource Management", + "githuburl":"" + }, + { + "uri":"dws_01_1510.html", + "product_code":"dws", + "code":"148", + "des":"The system resources (CPU, memory, I/O, and storage resources) of a database are limited. When multiple types of services (such as data loading, batch analysis, and real-", + "doc_type":"usermanual", + "kw":"Overview,Resource Management,Mangement Guide", + "title":"Overview", + "githuburl":"" + }, + { + "uri":"dws_01_0729.html", + "product_code":"dws", + "code":"149", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Resource Pool", + "title":"Resource Pool", + "githuburl":"" + }, + { + "uri":"dws_01_1512.html", + "product_code":"dws", + "code":"150", + "des":"GaussDB(DWS) resource pools provide concurrency management, memory management, CPU management, and exception rules.Concurrency represents the maximum number of concurrent", + "doc_type":"usermanual", + "kw":"Feature Description,Resource Pool,Mangement Guide", + "title":"Feature Description", + "githuburl":"" + }, + { + "uri":"dws_01_07231.html", + "product_code":"dws", + "code":"151", + "des":"On the resource management page, you can modify global resource management configurations; add, create, and modify resource queues; add database users to a resource pool;", + "doc_type":"usermanual", + "kw":"Page Overview,Resource Pool,Mangement Guide", + "title":"Page Overview", + "githuburl":"" + }, + { + "uri":"dws_01_07233.html", + "product_code":"dws", + "code":"152", + "des":"Up to 63 resource pools can be created.Only 8.1.3 and later versions support the CPU limit management.", + "doc_type":"usermanual", + "kw":"Creating a Resource Pool,Resource Pool,Mangement Guide", + "title":"Creating a Resource Pool", + "githuburl":"" + }, + { + "uri":"dws_01_07234.html", + "product_code":"dws", + "code":"153", + "des":"You can modify the parameters of a resource pool on the resource management page.Click Edit on the right and modify the parameters. For more information, see Resource poo", + "doc_type":"usermanual", + "kw":"Modifying a Resource Pool,Resource Pool,Mangement Guide", + "title":"Modifying a Resource Pool", + "githuburl":"" + }, + { + "uri":"dws_01_07239.html", + "product_code":"dws", + "code":"154", + "des":"After a resource pool is deleted, the users (if any) associated with this pool will be associated with the default resource pool instead.", + "doc_type":"usermanual", + "kw":"Deleting a Resource Pool,Resource Pool,Mangement Guide", + "title":"Deleting a Resource Pool", + "githuburl":"" + }, + { + "uri":"dws_01_1511.html", + "product_code":"dws", + "code":"155", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Resource Management Plan", + "title":"Resource Management Plan", + "githuburl":"" + }, + { + "uri":"dws_01_72362.html", + "product_code":"dws", + "code":"156", + "des":"The resource management plan is an advanced resource management feature provided by GaussDB(DWS). You can create a resource management plan, add multiple stages to the pl", + "doc_type":"usermanual", + "kw":"Managing Resource Management Plans,Resource Management Plan,Mangement Guide", + "title":"Managing Resource Management Plans", + "githuburl":"" + }, + { + "uri":"dws_01_72363.html", + "product_code":"dws", + "code":"157", + "des":"The following conditions must be met when you add or modify a resource management plan:The total CPU share of all resource pools does not exceed 99%.The total CPU limit o", + "doc_type":"usermanual", + "kw":"Managing Resource Management Plan Stages,Resource Management Plan,Mangement Guide", + "title":"Managing Resource Management Plan Stages", + "githuburl":"" + }, + { + "uri":"dws_01_72365.html", + "product_code":"dws", + "code":"158", + "des":"Configurations cannot be imported to a running resource management plan.Ensure there is a resource pool before import.", + "doc_type":"usermanual", + "kw":"Importing or Exporting a Resource Management Plan,Resource Management Plan,Mangement Guide", + "title":"Importing or Exporting a Resource Management Plan", + "githuburl":"" + }, + { + "uri":"dws_01_72366.html", + "product_code":"dws", + "code":"159", + "des":"Your cluster may run out of space if disk usage is not controlled, resulting in cluster exceptions and service interruption. Once disks are full, it takes long and huge e", + "doc_type":"usermanual", + "kw":"Workspace Management,Resource Management,Mangement Guide", + "title":"Workspace Management", + "githuburl":"" + }, + { + "uri":"dws_01_1601.html", + "product_code":"dws", + "code":"160", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Data Source Management", + "title":"Data Source Management", + "githuburl":"" + }, + { + "uri":"dws_01_0057.html", + "product_code":"dws", + "code":"161", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"MRS Data Sources", + "title":"MRS Data Sources", + "githuburl":"" + }, + { + "uri":"dws_01_0055.html", + "product_code":"dws", + "code":"162", + "des":"MRS is a big data cluster running based on the open-source Hadoop ecosystem. It provides the industry's latest cutting-edge storage and analysis capabilities of massive v", + "doc_type":"usermanual", + "kw":"Importing Data from MRS to GaussDB(DWS),MRS Data Sources,Mangement Guide", + "title":"Importing Data from MRS to GaussDB(DWS)", + "githuburl":"" + }, + { + "uri":"dws_01_0059.html", + "product_code":"dws", + "code":"163", + "des":"Before GaussDB(DWS) reads data from MRS HDFS, you need to create an MRS data source connection that functions as a channel of transporting data warehouse cluster data and", + "doc_type":"usermanual", + "kw":"Creating an MRS Data Source Connection,MRS Data Sources,Mangement Guide", + "title":"Creating an MRS Data Source Connection", + "githuburl":"" + }, + { + "uri":"dws_01_0156.html", + "product_code":"dws", + "code":"164", + "des":"For MRS, if the following parameter configurations of the HDFS cluster change, data may fail to be imported to the data warehouse cluster from the HDFS cluster. Before im", + "doc_type":"usermanual", + "kw":"Updating the MRS Data Source Configuration,MRS Data Sources,Mangement Guide", + "title":"Updating the MRS Data Source Configuration", + "githuburl":"" + }, + { + "uri":"dws_01_1602.html", + "product_code":"dws", + "code":"165", + "des":"GaussDB(DWS) allows you to access data on OBS by using an agency. You can create a GaussDB(DWS) agency, grant the OBS OperateAccess or OBS Administrator permission to the", + "doc_type":"usermanual", + "kw":"Managing OBS Data Sources,Data Source Management,Mangement Guide", + "title":"Managing OBS Data Sources", + "githuburl":"" + }, + { + "uri":"dws_01_0724.html", + "product_code":"dws", + "code":"166", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Managing Logical Clusters", + "title":"Managing Logical Clusters", + "githuburl":"" + }, + { + "uri":"dws_01_7241.html", + "product_code":"dws", + "code":"167", + "des":"A physical cluster can be divided into logical clusters that use the node-group mechanism. Tables in a database can be allocated to different physical nodes by logical cl", + "doc_type":"usermanual", + "kw":"Overview,Managing Logical Clusters,Mangement Guide", + "title":"Overview", + "githuburl":"" + }, + { + "uri":"dws_01_7242.html", + "product_code":"dws", + "code":"168", + "des":"If you access the Logical Clusters page for the first time, the metadata of the logical cluster created at the backend is synchronized to the frontend. After the synchron", + "doc_type":"usermanual", + "kw":"Adding Logical Clusters,Managing Logical Clusters,Mangement Guide", + "title":"Adding Logical Clusters", + "githuburl":"" + }, + { + "uri":"dws_01_7243.html", + "product_code":"dws", + "code":"169", + "des":"Nodes are added to or removed from a logical cluster by ring.At least one ring must be reserved in a logical cluster.The ring removed from the logical cluster will be add", + "doc_type":"usermanual", + "kw":"Editing Logical Clusters,Managing Logical Clusters,Mangement Guide", + "title":"Editing Logical Clusters", + "githuburl":"" + }, + { + "uri":"dws_01_7244.html", + "product_code":"dws", + "code":"170", + "des":"The first added logical cluster cannot be deleted.Nodes of the deleted logical cluster are added to the elastic cluster.", + "doc_type":"usermanual", + "kw":"Deleting Logical Clusters,Managing Logical Clusters,Mangement Guide", + "title":"Deleting Logical Clusters", + "githuburl":"" + }, + { + "uri":"dws_01_7245.html", + "product_code":"dws", + "code":"171", + "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "doc_type":"usermanual", + "kw":"Restarting Logical Clusters,Managing Logical Clusters,Mangement Guide", + "title":"Restarting Logical Clusters", + "githuburl":"" + }, + { + "uri":"dws_01_7246.html", + "product_code":"dws", + "code":"172", + "des":"Logical clusters of version 8.1.3 and later support online scale-out.Before a scale-out, you need to enable the logical cluster mode and add a logical cluster.After scali", + "doc_type":"usermanual", + "kw":"Scaling Out Logical Clusters,Managing Logical Clusters,Mangement Guide", + "title":"Scaling Out Logical Clusters", + "githuburl":"" + }, { "uri":"dws_03_0061.html", "product_code":"dws", - "code":"145", + "code":"173", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"FAQs", "title":"FAQs", "githuburl":"" @@ -1452,9 +1732,9 @@ { "uri":"dws_03_0001.html", "product_code":"dws", - "code":"146", + "code":"174", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"General Problems", "title":"General Problems", "githuburl":"" @@ -1462,19 +1742,19 @@ { "uri":"dws_03_0003.html", "product_code":"dws", - "code":"147", + "code":"175", "des":"Much data (orders, stocks, materials, and payments) is generated in the business operation systems and background (transactional) database of enterprises.Decision makers ", - "doc_type":"usermanual", - "kw":"Why Are Data Warehouses Necessary?,General Problems,User Guide", + "doc_type":"faq", + "kw":"Why Are Data Warehouses Necessary?,General Problems,Mangement Guide", "title":"Why Are Data Warehouses Necessary?", "githuburl":"" }, { "uri":"dws_03_0005.html", "product_code":"dws", - "code":"148", + "code":"176", "des":"The Hadoop big data platform can be regarded as a next-generation data warehousing system. It has the characteristics of modern data warehouses and is widely used by ente", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"What Are the Differences Between a Data Warehouse and the Hadoop Big Data Platform?,General Problems", "title":"What Are the Differences Between a Data Warehouse and the Hadoop Big Data Platform?", "githuburl":"" @@ -1482,129 +1762,119 @@ { "uri":"dws_03_0006.html", "product_code":"dws", - "code":"149", + "code":"177", "des":"Conventional data warehouses are not practical for smaller enterprises due to high cost, time-consuming device and system selection and procurement, and complex scale-out", - "doc_type":"usermanual", - "kw":"Why Should I Use Public Cloud GaussDB(DWS)?,General Problems,User Guide", + "doc_type":"faq", + "kw":"Why Should I Use Public Cloud GaussDB(DWS)?,General Problems,Mangement Guide", "title":"Why Should I Use Public Cloud GaussDB(DWS)?", "githuburl":"" }, { "uri":"dws_03_0009.html", "product_code":"dws", - "code":"150", + "code":"178", "des":"Both allow you to run conventional relational databases on the cloud and transfer database management loads. RDS databases are useful for OLTP, reporting, and analysis, b", - "doc_type":"usermanual", - "kw":"Should I Choose Public Cloud GaussDB(DWS) or RDS?,General Problems,User Guide", + "doc_type":"faq", + "kw":"Should I Choose Public Cloud GaussDB(DWS) or RDS?,General Problems,Mangement Guide", "title":"Should I Choose Public Cloud GaussDB(DWS) or RDS?", "githuburl":"" }, { "uri":"dws_03_0010.html", "product_code":"dws", - "code":"151", + "code":"179", "des":"MRS works better with big data processing frameworks such as Apache Spark, Hadoop, and HBase, to process and analyze ultra-large data sets through custom code. It allows ", - "doc_type":"usermanual", - "kw":"When Should I Use GaussDB(DWS) and MRS?,General Problems,User Guide", + "doc_type":"faq", + "kw":"When Should I Use GaussDB(DWS) and MRS?,General Problems,Mangement Guide", "title":"When Should I Use GaussDB(DWS) and MRS?", "githuburl":"" }, - { - "uri":"dws_03_0011.html", - "product_code":"dws", - "code":"152", - "des":"No. Although SQL on OBS of GaussDB(DWS) can be used for GaussDB(DWS) and OBS data query, it cannot replace the processing frameworks of MRS.Apart from SQL query, MRS also", - "doc_type":"usermanual", - "kw":"Can GaussDB(DWS) SQL on OBS Replace MRS?,General Problems,User Guide", - "title":"Can GaussDB(DWS) SQL on OBS Replace MRS?", - "githuburl":"" - }, - { - "uri":"dws_03_0037.html", - "product_code":"dws", - "code":"153", - "des":"GaussDB(DWS) and Hive have different functions in the following aspects:Hive is a data warehouse based on Hadoop MapReduce. GaussDB(DWS) is a data warehouse based on Post", - "doc_type":"usermanual", - "kw":"What Are the Differences Between GaussDB(DWS) and Hive in Functions?,General Problems,User Guide", - "title":"What Are the Differences Between GaussDB(DWS) and Hive in Functions?", - "githuburl":"" - }, { "uri":"dws_03_0034.html", "product_code":"dws", - "code":"154", - "des":"For cloud services, quotas limit the number of resources available to users. If you need more, submit a service ticket to increase your quotas. Once approved, we will upd", - "doc_type":"usermanual", - "kw":"What Is the User Quota?,General Problems,User Guide", + "code":"180", + "des":"For CLOUD services, quotas limit the number of resources available to users. If you need more, submit a service ticket to increase your quotas. Once approved, we will upd", + "doc_type":"faq", + "kw":"What Is the User Quota?,General Problems,Mangement Guide", "title":"What Is the User Quota?", "githuburl":"" }, { "uri":"dws_03_0067.html", "product_code":"dws", - "code":"155", + "code":"181", "des":"Users and roles are shared within the entire cluster, but their data is not shared. That is, a user can connect to any database, but after the connection is successful, a", - "doc_type":"usermanual", - "kw":"What Are the Differences Between Users and Roles?,General Problems,User Guide", + "doc_type":"faq", + "kw":"What Are the Differences Between Users and Roles?,General Problems,Mangement Guide", "title":"What Are the Differences Between Users and Roles?", "githuburl":"" }, + { + "uri":"dws_03_0063.html", + "product_code":"dws", + "code":"182", + "des":"Method 1:When you create a GaussDB(DWS) database user, if the time when the user takes effect (VALID BEGIN) is the same as the creation time of the user, and the time whe", + "doc_type":"faq", + "kw":"How Do I Check the Creation Time of a Database User?,General Problems,Mangement Guide", + "title":"How Do I Check the Creation Time of a Database User?", + "githuburl":"" + }, { "uri":"dws_03_0052.html", "product_code":"dws", - "code":"156", + "code":"183", "des":"A region and availability zone (AZ) identify the location of a data center. You can create resources in regions and AZs.A region is a physical data center. Each region is", - "doc_type":"usermanual", - "kw":"Regions and AZs,General Problems,User Guide", + "doc_type":"faq", + "kw":"Regions and AZs,General Problems,Mangement Guide", "title":"Regions and AZs", "githuburl":"" }, { "uri":"dws_03_0022.html", "product_code":"dws", - "code":"157", + "code":"184", "des":"Yes. In the big data era, data has become a core asset. The public cloud will adhere to the commitment made over the years that we do not touch your applications or data,", - "doc_type":"usermanual", - "kw":"Is My Data Secure in GaussDB(DWS)?,General Problems,User Guide", + "doc_type":"faq", + "kw":"Is My Data Secure in GaussDB(DWS)?,General Problems,Mangement Guide", "title":"Is My Data Secure in GaussDB(DWS)?", "githuburl":"" }, { "uri":"dws_03_0023.html", "product_code":"dws", - "code":"158", + "code":"185", "des":"GaussDB(DWS) uses IAM and VPC to control user access and isolate cluster network. Cluster access is over SSL and cipher suite. Additionally, GaussDB(DWS) supports two-way", - "doc_type":"usermanual", - "kw":"How Is GaussDB(DWS) Secured?,General Problems,User Guide", + "doc_type":"faq", + "kw":"How Is GaussDB(DWS) Secured?,General Problems,Mangement Guide", "title":"How Is GaussDB(DWS) Secured?", "githuburl":"" }, { "uri":"dws_03_0053.html", "product_code":"dws", - "code":"159", + "code":"186", "des":"Yes. When a data warehouse cluster is created, its security group cannot be changed. However, you can add, delete, or modify rules of the current security group.To edit t", - "doc_type":"usermanual", - "kw":"Can I Modify the Security Group of a GaussDB(DWS) Cluster?,General Problems,User Guide", + "doc_type":"faq", + "kw":"Can I Modify the Security Group of a GaussDB(DWS) Cluster?,General Problems,Mangement Guide", "title":"Can I Modify the Security Group of a GaussDB(DWS) Cluster?", "githuburl":"" }, { "uri":"dws_03_2121.html", "product_code":"dws", - "code":"160", - "des":"The evolving Internet and IoT produce massive volumes of data. This data needs to be managed, using concepts like database, data warehouse, data lake, and lakehouse. Here", - "doc_type":"usermanual", - "kw":"What Is a Database/Data Warehouse/Data Lake/Lakehouse?,General Problems,User Guide", + "code":"187", + "des":"The evolving Internet and IoT produce massive volumes of data. This data needs to be managed, using concepts like database, data warehouse, data lake, and lakehouse. What", + "doc_type":"faq", + "kw":"What Is a Database/Data Warehouse/Data Lake/Lakehouse?,General Problems,Mangement Guide", "title":"What Is a Database/Data Warehouse/Data Lake/Lakehouse?", "githuburl":"" }, { "uri":"dws_03_0029.html", "product_code":"dws", - "code":"161", + "code":"188", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"Cluster Management", "title":"Cluster Management", "githuburl":"" @@ -1612,139 +1882,169 @@ { "uri":"dws_03_0016.html", "product_code":"dws", - "code":"162", + "code":"189", "des":"Check that you have enough quota for creating the cluster.Call the Customer Hotline for support.Telephone:Germany: 0800 330 44 44International: +800 44556600", - "doc_type":"usermanual", - "kw":"What Do I Do If Creating a GaussDB(DWS) Cluster Failed?,Cluster Management,User Guide", + "doc_type":"faq", + "kw":"What Do I Do If Creating a GaussDB(DWS) Cluster Failed?,Cluster Management,Mangement Guide", "title":"What Do I Do If Creating a GaussDB(DWS) Cluster Failed?", "githuburl":"" }, - { - "uri":"dws_03_0031.html", - "product_code":"dws", - "code":"163", - "des":"Cluster patching or upgrading is automatic because GaussDB(DWS) upgrades its own version.For service patch:Duration: less than 10 minutesImpact on services: 1 to 3 minute", - "doc_type":"usermanual", - "kw":"How Can I Upgrade or Downgrade GaussDB(DWS)?,Cluster Management,User Guide", - "title":"How Can I Upgrade or Downgrade GaussDB(DWS)?", - "githuburl":"" - }, { "uri":"dws_03_0033.html", "product_code":"dws", - "code":"164", - "des":"After you delete data stored in GaussDB(DWS) data warehouses, dirty data may be generated from the unreleased disk space. This results in space waste and deteriorates sna", - "doc_type":"usermanual", - "kw":"How Can I Clear and Reclaim Storage?,Cluster Management,User Guide", - "title":"How Can I Clear and Reclaim Storage?", + "code":"190", + "des":"After you delete data stored in GaussDB(DWS) data warehouses, dirty data may be generated possibly because the disk space is not released. This results in disk space wast", + "doc_type":"faq", + "kw":"How Can I Clear and Reclaim the Storage Space?,Cluster Management,Mangement Guide", + "title":"How Can I Clear and Reclaim the Storage Space?", "githuburl":"" }, { "uri":"dws_03_0054.html", "product_code":"dws", - "code":"165", + "code":"191", "des":"If you do not run VACUUM to clear and reclaim the storage space before the scale-out, the data deleted from GaussDB(DWS) may not free up the occupied disk space.During th", - "doc_type":"usermanual", - "kw":"Why Did the Used Storage Reduce After Scale-out?,Cluster Management,User Guide", - "title":"Why Did the Used Storage Reduce After Scale-out?", + "doc_type":"faq", + "kw":"Why Did the Used Storage Shrink After Scale-out?,Cluster Management,Mangement Guide", + "title":"Why Did the Used Storage Shrink After Scale-out?", "githuburl":"" }, { "uri":"dws_03_0104.html", "product_code":"dws", - "code":"166", + "code":"192", "des":"You can view the used capacity of a cluster CPU, memory, and disks on the Cloud Eye management console. Perform the following steps to view the information:", - "doc_type":"usermanual", - "kw":"How Do I View Node Metrics (CPU, Memory, and Disk Usage)?,Cluster Management,User Guide", + "doc_type":"faq", + "kw":"How Do I View Node Metrics (CPU, Memory, and Disk Usage)?,Cluster Management,Mangement Guide", "title":"How Do I View Node Metrics (CPU, Memory, and Disk Usage)?", "githuburl":"" }, { "uri":"dws_03_0090.html", "product_code":"dws", - "code":"167", - "des":"A cluster with three data nodes of 320 GB each has a total capacity of 960 GB. When 1 GB data is stored, GaussDB(DWS) stores 1 GB data on two nodes due to duplication, a ", - "doc_type":"usermanual", - "kw":"How Is the Disk Space or Capacity of GaussDB(DWS) Calculated?,Cluster Management,User Guide", + "code":"193", + "des":"Total disk capacity of GaussDB (DWS): For a three-node cluster, if each node is 320 GB, the total capacity is 960 GB. When 1 GB data is stored, GaussDB(DWS) stores 1 GB d", + "doc_type":"faq", + "kw":"How Is the Disk Space or Capacity of GaussDB(DWS) Calculated?,Cluster Management,Mangement Guide", "title":"How Is the Disk Space or Capacity of GaussDB(DWS) Calculated?", "githuburl":"" }, + { + "uri":"dws_03_2119.html", + "product_code":"dws", + "code":"194", + "des":"The gaussdb and postgres databases are built-in databases of GaussDB(DWS). You can create schemas and tables in them. However, you are advised to recreate a database and ", + "doc_type":"faq", + "kw":"What Are the gaussdb and postgres Databases of GaussDB(DWS)?,Cluster Management,Mangement Guide", + "title":"What Are the gaussdb and postgres Databases of GaussDB(DWS)?", + "githuburl":"" + }, + { + "uri":"dws_03_2122.html", + "product_code":"dws", + "code":"195", + "des":"After connecting to a database, run the following SQL statement to check the maximum number of concurrent sessions globally:Go to the Cloud Eye console and set the thresh", + "doc_type":"faq", + "kw":"How Do I Set the Maximum Number of Sessions When Adding an Alarm Rule on Cloud Eye?,Cluster Manageme", + "title":"How Do I Set the Maximum Number of Sessions When Adding an Alarm Rule on Cloud Eye?", + "githuburl":"" + }, + { + "uri":"dws_03_2140.html", + "product_code":"dws", + "code":"196", + "des":"CN is short for Coordinator Node. A CN is an important component of GaussDB(DWS) and is closely related to users. It provides interfaces to external applications, optimiz", + "doc_type":"faq", + "kw":"When Should I Add CNs or Scale out a cluster?,Cluster Management,Mangement Guide", + "title":"When Should I Add CNs or Scale out a cluster?", + "githuburl":"" + }, + { + "uri":"dws_03_3416.html", + "product_code":"dws", + "code":"197", + "des":"Small-flavor many-node:If your data volume is small and you have requirement for node scaling, but you have limited budget, you can select a small-flavor many-node cluste", + "doc_type":"faq", + "kw":"How Should I Select from a Small-Flavor Many-Node Cluster and a Large-Flavor Three-Node Cluster with", + "title":"How Should I Select from a Small-Flavor Many-Node Cluster and a Large-Flavor Three-Node Cluster with Same CPU Cores and Memory?", + "githuburl":"" + }, + { + "uri":"dws_03_2142.html", + "product_code":"dws", + "code":"198", + "des":"The biggest difference between hot data storage and cold data storage lies in the storage media.Hot data is frequently queried or updated and has high requirements on acc", + "doc_type":"faq", + "kw":"What Are the Differences Between Hot Data Storage and Cold Data Storage?,Cluster Management,Mangemen", + "title":"What Are the Differences Between Hot Data Storage and Cold Data Storage?", + "githuburl":"" + }, { "uri":"dws_03_0024.html", "product_code":"dws", - "code":"168", + "code":"199", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"Database Connections", "title":"Database Connections", "githuburl":"" }, + { + "uri":"dws_03_2132.html", + "product_code":"dws", + "code":"200", + "des":"For applications to communicate with GaussDB(DWS), make sure the networks between them are connected. The following table lists common connection scenarios.To ensure low ", + "doc_type":"faq", + "kw":"How Applications Communicate with GaussDB(DWS)?,Database Connections,Mangement Guide", + "title":"How Applications Communicate with GaussDB(DWS)?", + "githuburl":"" + }, { "uri":"dws_03_0017.html", "product_code":"dws", - "code":"169", + "code":"201", "des":"Yes, but GaussDB(DWS) clients and drivers are recommended. Unlike open-source PostgreSQL clients and drivers, GaussDB(DWS) clients and drivers have two key advantages:Sec", - "doc_type":"usermanual", - "kw":"Does GaussDB(DWS) Support Third-Party Clients and JDBC and ODBC Drivers?,Database Connections,User G", + "doc_type":"faq", + "kw":"Does GaussDB(DWS) Support Third-Party Clients and JDBC and ODBC Drivers?,Database Connections,Mangem", "title":"Does GaussDB(DWS) Support Third-Party Clients and JDBC and ODBC Drivers?", "githuburl":"" }, { "uri":"dws_03_0040.html", "product_code":"dws", - "code":"170", + "code":"202", "des":"No, direct access is not supported. VMs at the bottom layer of GaussDB(DWS) serve as the compute nodes for data analysis. Access cluster databases using the private or pu", - "doc_type":"usermanual", - "kw":"Can I Connect to GaussDB(DWS) Cluster Nodes Using SSH?,Database Connections,User Guide", + "doc_type":"faq", + "kw":"Can I Connect to GaussDB(DWS) Cluster Nodes Using SSH?,Database Connections,Mangement Guide", "title":"Can I Connect to GaussDB(DWS) Cluster Nodes Using SSH?", "githuburl":"" }, { "uri":"dws_03_0014.html", "product_code":"dws", - "code":"171", + "code":"203", "des":"Check:Whether the cluster status is normal.Whether the connection command, username, password, IP address, and port are correct.Whether the operating system type and vers", - "doc_type":"usermanual", - "kw":"What Should I Do If I Cannot Connect to a Data Warehouse Cluster?,Database Connections,User Guide", + "doc_type":"faq", + "kw":"What Should I Do If I Cannot Connect to a Data Warehouse Cluster?,Database Connections,Mangement Gui", "title":"What Should I Do If I Cannot Connect to a Data Warehouse Cluster?", "githuburl":"" }, { "uri":"dws_03_0025.html", "product_code":"dws", - "code":"172", + "code":"204", "des":"After the EIP is unbound, the network may be disconnected. However, the TCP layer does not detect a faulty physical connection in time due to keepalive settings. As a res", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"Why Was I Not Notified of Failure Unbinding the EIP When GaussDB(DWS) Is Connected Over the Internet", "title":"Why Was I Not Notified of Failure Unbinding the EIP When GaussDB(DWS) Is Connected Over the Internet?", "githuburl":"" }, - { - "uri":"dws_03_0169.html", - "product_code":"dws", - "code":"173", - "des":"Resources in different AZs of the same region can communicate with each other directly if they belong to the same VPC.For resources in different AZs of the same region bu", - "doc_type":"usermanual", - "kw":"How Can a Data Warehouse and a Database in Different AZs of the Same Region Communicate?,Database Co", - "title":"How Can a Data Warehouse and a Database in Different AZs of the Same Region Communicate?", - "githuburl":"" - }, - { - "uri":"dws_03_2125.html", - "product_code":"dws", - "code":"174", - "des":"If BI applications, client ECS, and DGC need to communicate with GaussDB(DWS), they must be in the same region and VPC as the GaussDB(DWS) cluster (different subnets are ", - "doc_type":"usermanual", - "kw":"Do I Need the Same VPC and Subnet to Connect to a GaussDB(DWS) Cluster?,Database Connections,User Gu", - "title":"Do I Need the Same VPC and Subnet to Connect to a GaussDB(DWS) Cluster?", - "githuburl":"" - }, { "uri":"dws_03_2130.html", "product_code":"dws", - "code":"175", + "code":"205", "des":"You can also log in to the VPC management console to manually create a security group. Then, go back to the page for creating data warehouse clusters, click the button n", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"How Do I Configure a Whitelist to Protect Clusters Available Through a Public IP Address?,Database C", "title":"How Do I Configure a Whitelist to Protect Clusters Available Through a Public IP Address?", "githuburl":"" @@ -1752,9 +2052,9 @@ { "uri":"dws_03_0026.html", "product_code":"dws", - "code":"176", + "code":"206", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"Data Import and Export", "title":"Data Import and Export", "githuburl":"" @@ -1762,59 +2062,79 @@ { "uri":"dws_03_0018.html", "product_code":"dws", - "code":"177", - "des":"The file formats supported by OBS and GDS foreign tables are as follows:OBS file formats: CSV, TEXT, ORC, and CARBONDATA. The default format is TEXT.GDS file formats: CSV", - "doc_type":"usermanual", + "code":"207", + "des":"The file formats supported by OBS and GDS foreign tables are as follows:OBS supports ORC, TEXT, JSON, CSV, CARBONDATA and PARQUET file formats for data import and ORC, CS", + "doc_type":"faq", "kw":"What Are the Differences Between Data Formats Supported by OBS and GDS Foreign Tables?,Data Import a", "title":"What Are the Differences Between Data Formats Supported by OBS and GDS Foreign Tables?", "githuburl":"" }, + { + "uri":"dws_03_0069.html", + "product_code":"dws", + "code":"208", + "des":"When you use an OBS foreign table to import data, INSERT imports the data to a local physical table. When OBS data is updated, you do not need to run the INSERTstatement ", + "doc_type":"faq", + "kw":"How Do I Import Incremental Data Using an OBS Foreign Table?,Data Import and Export,Mangement Guide", + "title":"How Do I Import Incremental Data Using an OBS Foreign Table?", + "githuburl":"" + }, { "uri":"dws_03_0027.html", "product_code":"dws", - "code":"178", - "des":"GaussDB(DWS) supports efficient data import from multiple data sources. The following lists typical data import modes. For details, see \"Import Modes\" in the Data Warehou", - "doc_type":"usermanual", - "kw":"How Can I Import Data to GaussDB(DWS)?,Data Import and Export,User Guide", + "code":"209", + "des":"GaussDB(DWS) supports efficient data import from multiple data sources. The following lists typical data import modes. For details, see section \"Importing Data\" in the Da", + "doc_type":"faq", + "kw":"How Can I Import Data to GaussDB(DWS)?,Data Import and Export,Mangement Guide", "title":"How Can I Import Data to GaussDB(DWS)?", "githuburl":"" }, { "uri":"dws_03_0028.html", "product_code":"dws", - "code":"179", - "des":"Each node in a data warehouse cluster has a default storage capacity of 160 GB, 256 GB, 1.6 TB, 1.8 TB, or 13 TB. A cluster can house 3 to 32 nodes and the total storage ", - "doc_type":"usermanual", - "kw":"How Much Service Data Can a Data Warehouse Store?,Data Import and Export,User Guide", + "code":"210", + "des":"Each node in a data warehouse cluster has a default storage capacity of160 GB, 256 GB, 1.6 TB, 1.8 TB, or 13 TB. A cluster can house 3 to 256 nodes and the total storage ", + "doc_type":"faq", + "kw":"How Much Service Data Can a Data Warehouse Store?,Data Import and Export,Mangement Guide", "title":"How Much Service Data Can a Data Warehouse Store?", "githuburl":"" }, { "uri":"dws_03_0073.html", "product_code":"dws", - "code":"180", + "code":"211", "des":"GaussDB(DWS) is a fully managed service on the cloud. Users cannot log in to the background to import or export data by using COPY, so the COPY syntax is disabled. You ar", - "doc_type":"usermanual", - "kw":"How Do I Use \\Copy to Import and Export Data?,Data Import and Export,User Guide", + "doc_type":"faq", + "kw":"How Do I Use \\Copy to Import and Export Data?,Data Import and Export,Mangement Guide", "title":"How Do I Use \\Copy to Import and Export Data?", "githuburl":"" }, + { + "uri":"dws_03_0080.html", + "product_code":"dws", + "code":"212", + "des":"To import data from database A (UTF8) to database B (GBK), there may be a character set mismatch error which causes the data import to fail.To import a small amount of da", + "doc_type":"usermanual", + "kw":"How Do I Implement Fault Tolerance Import Between Different Encoding Libraries,Data Import and Expor", + "title":"How Do I Implement Fault Tolerance Import Between Different Encoding Libraries", + "githuburl":"" + }, { "uri":"dws_03_0102.html", "product_code":"dws", - "code":"181", - "des":"No, GaussDB(DWS) does not support OBS data import or export across regions. The GaussDB(DWS) cluster and OBS must be in the same region.", - "doc_type":"usermanual", - "kw":"Can I Export GaussDB(DWS) Data from/to OBS Across Regions?,Data Import and Export,User Guide", + "code":"213", + "des":"No. No, GaussDB(DWS) does not support OBS data import or export across regions. The GaussDB(DWS) cluster and OBS must be in the same region.", + "doc_type":"faq", + "kw":"Can I Export GaussDB(DWS) Data from/to OBS Across Regions?,Data Import and Export,Mangement Guide", "title":"Can I Export GaussDB(DWS) Data from/to OBS Across Regions?", "githuburl":"" }, { "uri":"dws_03_0074.html", "product_code":"dws", - "code":"182", - "des":"To import heterogeneous data to GaussDB(DWS), use CDM to migrate the entire MySQL or SQL Server database. Or migrate the entire GaussDB(DWS) database to another GaussDB(D", - "doc_type":"usermanual", + "code":"214", + "des":"Heterogeneous data can be imported to GaussDB(DWS) using CDM. You can migrate an entire Oracle, MySQL, SQL Server, or GaussDB(DWS) database to a GaussDB(DWS) databse. For", + "doc_type":"faq", "kw":"How Do I Import GaussDB(DWS)/Oracle/MySQL/SQL Server Data to GaussDB(DWS) (Whole Database Migration)", "title":"How Do I Import GaussDB(DWS)/Oracle/MySQL/SQL Server Data to GaussDB(DWS) (Whole Database Migration)?", "githuburl":"" @@ -1822,189 +2142,359 @@ { "uri":"dws_03_0105.html", "product_code":"dws", - "code":"183", + "code":"215", "des":"No. The GDS server and GaussDB(DWS) can only communicate with each other on the intranet. Each DN in the GaussDB(DWS) cluster is used to connect to the GDS server in para", - "doc_type":"usermanual", - "kw":"Can I Import Data over the Public/External Network Using GDS?,Data Import and Export,User Guide", + "doc_type":"faq", + "kw":"Can I Import Data over the Public/External Network Using GDS?,Data Import and Export,Mangement Guide", "title":"Can I Import Data over the Public/External Network Using GDS?", "githuburl":"" }, + { + "uri":"dws_03_1549.html", + "product_code":"dws", + "code":"216", + "des":"The GaussDB(DWS) import performance is affected by the following factors:Cluster specifications: disk I/O, network throughput, memory, and CPU specificationsService plann", + "doc_type":"faq", + "kw":"Which Are the Factors That Affect GaussDB(DWS) Import Performance?,Data Import and Export,Mangement ", + "title":"Which Are the Factors That Affect GaussDB(DWS) Import Performance?", + "githuburl":"" + }, { "uri":"dws_03_0110.html", "product_code":"dws", - "code":"184", + "code":"217", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"Account, Password, and Permissions", "title":"Account, Password, and Permissions", "githuburl":"" }, { - "uri":"dws_03_0092.html", + "uri":"dws_03_0200.html", "product_code":"dws", - "code":"185", - "des":"To change the password of the database administrator dbadmin, log in to the console and choose More > Reset Password in cluster row.For security, the following two parame", - "doc_type":"usermanual", - "kw":"How Do I Change My Expired Database Password?,Account, Password, and Permissions,User Guide", - "title":"How Do I Change My Expired Database Password?", + "code":"218", + "des":"In GaussDB(DWS), you can isolate workloads through database and schema configurations. Their differences are as follows:Databases cannot communicate with each other and s", + "doc_type":"faq", + "kw":"How Does GaussDB(DWS) Implement Workload Isolation?,Account, Password, and Permissions,Mangement Gui", + "title":"How Does GaussDB(DWS) Implement Workload Isolation?", "githuburl":"" }, { - "uri":"dws_03_0095.html", + "uri":"dws_03_0092.html", "product_code":"dws", - "code":"186", - "des":"To view the user list, query the PG_USER view.SELECT * FROM pg_user;To view user attributes, query the PG_AUTHID system catalog.SELECT * FROM pg_authid;Query the permissi", - "doc_type":"usermanual", - "kw":"How Do I View All Database Users and Their Permissions?,Account, Password, and Permissions,User Guid", - "title":"How Do I View All Database Users and Their Permissions?", + "code":"219", + "des":"To change the password of the database administrator dbadmin, log in to the console and choose More > Reset Password in cluster row.Resetting the password of user dbadmin", + "doc_type":"faq", + "kw":"How Do I Change the Password of a Database Account When the Password Expires?,Account, Password, and", + "title":"How Do I Change the Password of a Database Account When the Password Expires?", "githuburl":"" }, { "uri":"dws_03_0197.html", "product_code":"dws", - "code":"187", - "des":"This section describes how to grant users the SELECT, INSERT, UPDATE, or full permissions for tables.Assume there are users u1, u2, u3, u4, and u5 and five schemas named ", - "doc_type":"usermanual", - "kw":"How Do I Grant Table Permissions to a User?,Account, Password, and Permissions,User Guide", + "code":"220", + "des":"This section describes how to grant users the SELECT, INSERT, UPDATE, or full permissions of tables to users.Assume there are users u1, u2, u3, u4, and u5 and five schema", + "doc_type":"faq", + "kw":"How Do I Grant Table Permissions to a User?,Account, Password, and Permissions,Mangement Guide", "title":"How Do I Grant Table Permissions to a User?", "githuburl":"" }, { "uri":"dws_03_0196.html", "product_code":"dws", - "code":"188", - "des":"This section describes how to grant the query permission for a schema as an example. For more information, see \"How Do I Grant Table Permissions to a User?\" in FAQ. You ", - "doc_type":"usermanual", - "kw":"How Do I Grant Schema Permissions to a User?,Account, Password, and Permissions,User Guide", + "code":"221", + "des":"This section describes how to grant the query permission for a schema as an example. For more information, see \"How Do I Grant Table Permissions to a User?\" in FAQs:Perm", + "doc_type":"faq", + "kw":"How Do I Grant Schema Permissions to a User?,Account, Password, and Permissions,Mangement Guide", "title":"How Do I Grant Schema Permissions to a User?", "githuburl":"" }, + { + "uri":"dws_03_0198.html", + "product_code":"dws", + "code":"222", + "des":"In service development, database administrators use schemas to classify data. For example, in the financial industry, liability data belong to schema s1, and asset data b", + "doc_type":"usermanual", + "kw":"How Do I Create a Database Read-only User?,Account, Password, and Permissions,Mangement Guide", + "title":"How Do I Create a Database Read-only User?", + "githuburl":"" + }, + { + "uri":"dws_03_0199.html", + "product_code":"dws", + "code":"223", + "des":"The system administrator dbadmin has the permission to access tables created by common users by default. When Separation of Permissions is enabled, the administrator dbad", + "doc_type":"usermanual", + "kw":"How Do I Create Private Database Users and Tables?,Account, Password, and Permissions,Mangement Guid", + "title":"How Do I Create Private Database Users and Tables?", + "githuburl":"" + }, { "uri":"dws_03_0195.html", "product_code":"dws", - "code":"189", - "des":"GaussDB(DWS) provides an implicitly defined group public that contains all roles. By default, all new users and roles have the permissions of public. To revoke permission", - "doc_type":"usermanual", - "kw":"How Do I Revoke the CONNECT ON DATABASE Permission from a User?,Account, Password, and Permissions,U", + "code":"224", + "des":"In a service, the permission of user u1 to connect to a database needs to be revoked. After the REVOKE CONNECT ON DATABASE gaussdb FROM u1; command is executed successful", + "doc_type":"faq", + "kw":"How Do I Revoke the CONNECT ON DATABASE Permission from a User?,Account, Password, and Permissions,M", "title":"How Do I Revoke the CONNECT ON DATABASE Permission from a User?", "githuburl":"" }, + { + "uri":"dws_03_0201.html", + "product_code":"dws", + "code":"225", + "des":"Scenario 1: Run theinformation_schema.table_privilegescommand to view the table permissions of a user. Example:In the preceding figure, user u2 has all permissions of tab", + "doc_type":"usermanual", + "kw":"How Do I View the Table Permissions of a User?,Account, Password, and Permissions,Mangement Guide", + "title":"How Do I View the Table Permissions of a User?", + "githuburl":"" + }, + { + "uri":"dws_03_0202.html", + "product_code":"dws", + "code":"226", + "des":"When you run the SELECT * FROM pg_user statement to view users in the current system, you may see user Ruby many times, who has many permissions.User Ruby is an official ", + "doc_type":"usermanual", + "kw":"Who Is User Ruby?,Account, Password, and Permissions,Mangement Guide", + "title":"Who Is User Ruby?", + "githuburl":"" + }, { "uri":"dws_03_0065.html", "product_code":"dws", - "code":"190", + "code":"227", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"Database Usage", "title":"Database Usage", "githuburl":"" }, + { + "uri":"dws_03_2126.html", + "product_code":"dws", + "code":"228", + "des":"In a data warehouse database, you need to carefully choose distribution columns for large tables, because they can affect your database and query performance. If an impro", + "doc_type":"faq", + "kw":"How Do I Change Distribution Columns?,Database Usage,Mangement Guide", + "title":"How Do I Change Distribution Columns?", + "githuburl":"" + }, + { + "uri":"dws_03_0085.html", + "product_code":"dws", + "code":"229", + "des":"Use the server_encoding parameter to check the character set encoding of the current database. For example, the character encoding of database music is UTF8.GaussDB(DWS) ", + "doc_type":"faq", + "kw":"How Do I View and Set the Database Character Encoding?,Database Usage,Mangement Guide", + "title":"How Do I View and Set the Database Character Encoding?", + "githuburl":"" + }, + { + "uri":"dws_03_0186.html", + "product_code":"dws", + "code":"230", + "des":"When creating a database, you can set the DBCOMPATIBILITY parameter to the compatible database type. The value of DBCOMPATIBILITY can be ORA, TD, and MySQL, indicating Or", + "doc_type":"faq", + "kw":"What Do I Do If Date Type Is Automatically Converted to the Timestamp Type During Table Creation?,Da", + "title":"What Do I Do If Date Type Is Automatically Converted to the Timestamp Type During Table Creation?", + "githuburl":"" + }, + { + "uri":"dws_03_0089.html", + "product_code":"dws", + "code":"231", + "des":"Yes.For tables that are frequently added, deleted, or modified, you need to periodically perform VACUUM FULL and ANALYZEto reclaim the disk space occupied by updated or d", + "doc_type":"faq", + "kw":"Do I Need to Run VACUUM FULL and ANALYZE on Common Tables Periodically?,Database Usage,Mangement Gui", + "title":"Do I Need to Run VACUUM FULL and ANALYZE on Common Tables Periodically?", + "githuburl":"" + }, { "uri":"dws_03_0075.html", "product_code":"dws", - "code":"191", + "code":"232", "des":"No, you only need to set the primary key. By default, the first column of the primary key is selected as the distribution key. If both are set, the primary key must conta", - "doc_type":"usermanual", - "kw":"Do I Need to Set a Distribution Key After Setting a Primary Key?,Database Usage,User Guide", + "doc_type":"faq", + "kw":"Do I Need to Set a Distribution Key After Setting a Primary Key?,Database Usage,Mangement Guide", "title":"Do I Need to Set a Distribution Key After Setting a Primary Key?", "githuburl":"" }, { "uri":"dws_03_0076.html", "product_code":"dws", - "code":"192", + "code":"233", "des":"Yes.GaussDB(DWS) is compatible with PostgreSQL stored procedures. For details, see \"Stored Procedures\" in the Developer Guide.", - "doc_type":"usermanual", - "kw":"Is GaussDB(DWS) Compatible with PostgreSQL Stored Procedures?,Database Usage,User Guide", + "doc_type":"faq", + "kw":"Is GaussDB(DWS) Compatible with PostgreSQL Stored Procedures?,Database Usage,Mangement Guide", "title":"Is GaussDB(DWS) Compatible with PostgreSQL Stored Procedures?", "githuburl":"" }, { "uri":"dws_03_0064.html", "product_code":"dws", - "code":"193", + "code":"234", "des":"Partitioned table: Partitioning refers to splitting what is logically one large table into smaller physical pieces based on specific schemes. The table based on the logic", - "doc_type":"usermanual", - "kw":"What Are Partitioned Tables, Partitions, and Partition Keys?,Database Usage,User Guide", + "doc_type":"faq", + "kw":"What Are Partitioned Tables, Partitions, and Partition Keys?,Database Usage,Mangement Guide", "title":"What Are Partitioned Tables, Partitions, and Partition Keys?", "githuburl":"" }, { "uri":"dws_03_0078.html", "product_code":"dws", - "code":"194", + "code":"235", "des":"You are advised to use the Data Studio graphical client to export table data. You can export data from:A specific tableAll tables in a schemaAll tables in a databaseFor d", - "doc_type":"usermanual", - "kw":"How Can I Export the Table Structure?,Database Usage,User Guide", + "doc_type":"faq", + "kw":"How Can I Export the Table Structure?,Database Usage,Mangement Guide", "title":"How Can I Export the Table Structure?", "githuburl":"" }, - { - "uri":"dws_03_0079.html", - "product_code":"dws", - "code":"195", - "des":"You can use pg_tables and pg_views to query all table information and views in a database. Example:For details about the returned columns, see \"PG_TABLES\" and \"PG_VIEWS\" ", - "doc_type":"usermanual", - "kw":"How Can I Export All Tables and Views from a Database?,Database Usage,User Guide", - "title":"How Can I Export All Tables and Views from a Database?", - "githuburl":"" - }, - { - "uri":"dws_03_0085.html", - "product_code":"dws", - "code":"196", - "des":"In GaussDB(DWS), the encoding format of a database cannot be changed. You need to create another database in the required format. For globalization purposes, set the enco", - "doc_type":"usermanual", - "kw":"How Can I Change the Character Encoding Format of a Database?,Database Usage,User Guide", - "title":"How Can I Change the Character Encoding Format of a Database?", - "githuburl":"" - }, { "uri":"dws_03_0088.html", "product_code":"dws", - "code":"197", + "code":"236", "des":"Yes. TRUNCATE is more efficient than DELETE for deleting massive data.For details, see \"TRUNCATE\" in the Data Warehouse Service (DWS) Developer Guide.TRUNCATE quickly rem", - "doc_type":"usermanual", - "kw":"How Can I Delete Table Data Efficiently?,Database Usage,User Guide", + "doc_type":"faq", + "kw":"How Can I Delete Table Data Efficiently?,Database Usage,Mangement Guide", "title":"How Can I Delete Table Data Efficiently?", "githuburl":"" }, - { - "uri":"dws_03_0089.html", - "product_code":"dws", - "code":"198", - "des":"Yes. For tables that involve frequent add, delete, or modify operations, perform VACUUM FULL and ANALYZE to reclaim the disk space occupied by updated or deleted data, pr", - "doc_type":"usermanual", - "kw":"Do I Need to Run VACUUM FULL and ANALYZE on Common Tables Periodically?,Database Usage,User Guide", - "title":"Do I Need to Run VACUUM FULL and ANALYZE on Common Tables Periodically?", - "githuburl":"" - }, { "uri":"dws_03_2124.html", "product_code":"dws", - "code":"199", + "code":"237", "des":"To query information about OBS/GDS foreign tables such as OBS paths, run the following statement:The following uses table traffic_data.GCJL_OBS as an example:", - "doc_type":"usermanual", - "kw":"How Do I View Foreign Table Information?,Database Usage,User Guide", + "doc_type":"faq", + "kw":"How Do I View Foreign Table Information?,Database Usage,Mangement Guide", "title":"How Do I View Foreign Table Information?", "githuburl":"" }, { - "uri":"dws_03_2126.html", + "uri":"dws_03_2127.html", "product_code":"dws", - "code":"200", - "des":"In a data warehouse database, you need to carefully choose distribution columns for large tables, because they can affect your database and query performance. If an impro", + "code":"238", + "des":"For clusters of 8.1.2 or later, you can use the GUC parameter default_distribution_mode to query and set the default table distribution mode.If no distribution column is ", + "doc_type":"faq", + "kw":"If No Distribution Column Is Specified, How Will Data Be Stored?,Database Usage,Mangement Guide", + "title":"If No Distribution Column Is Specified, How Will Data Be Stored?", + "githuburl":"" + }, + { + "uri":"dws_03_2102.html", + "product_code":"dws", + "code":"239", + "des":"When OUTER JOIN (LEFT JOIN, RIGHT JOIN, and FULL JOIN) is executed, the match failure in the outer join generates a large number of NULL values. You can replace these nul", + "doc_type":"faq", + "kw":"How Do I Replace the Null Result with 0?,Database Usage,Mangement Guide", + "title":"How Do I Replace the Null Result with 0?", + "githuburl":"" + }, + { + "uri":"dws_03_2100.html", + "product_code":"dws", + "code":"240", + "des":"The storage mode of a table is controlled by the ORIENTATION parameter in the table creation statement. row indicates row storage, and column indicates column storage.You", + "doc_type":"faq", + "kw":"How Do I Check Whether a Table Is Row-Stored or Column-Stored?,Database Usage,Mangement Guide", + "title":"How Do I Check Whether a Table Is Row-Stored or Column-Stored?", + "githuburl":"" + }, + { + "uri":"dws_03_2104.html", + "product_code":"dws", + "code":"241", + "des":"The following SQL statements are used to query common information about column-store tables:Create a column-store partitioned table my_table.Run the following command to ", + "doc_type":"faq", + "kw":"How Do I Query the Information About GaussDB(DWS) Column-Store Tables?,Database Usage,Mangement Guid", + "title":"How Do I Query the Information About GaussDB(DWS) Column-Store Tables?", + "githuburl":"" + }, + { + "uri":"dws_03_2105.html", + "product_code":"dws", + "code":"242", + "des":"Creating indexes for tables can improve database query performance. However, sometimes indexes cannot be used in a query plan. This section describes several common reaso", + "doc_type":"faq", + "kw":"Why Sometimes the GaussDB(DWS) Query Indexes Become Invalid?,Database Usage,Mangement Guide", + "title":"Why Sometimes the GaussDB(DWS) Query Indexes Become Invalid?", + "githuburl":"" + }, + { + "uri":"dws_03_2101.html", + "product_code":"dws", + "code":"243", + "des":"Currently, GaussDB(DWS) does not have a built-in CRC32() function. Instead, you can use the user-defined function of GaussDB(DWS) to rewrite the CRC32() function.CRC32(ex", + "doc_type":"faq", + "kw":"How Do I Use a User-Defined Function to Rewrite the CRC32() Function?,Database Usage,Mangement Guide", + "title":"How Do I Use a User-Defined Function to Rewrite the CRC32() Function?", + "githuburl":"" + }, + { + "uri":"dws_03_2106.html", + "product_code":"dws", + "code":"244", + "des":"When you query the schema list, the query result may contain schemas starting with pg_temp* or pg_toast_temp*, as shown in the following figure.These schemas are created ", + "doc_type":"faq", + "kw":"What Are the Schemas Starting with pg_toast_temp* or pg_temp*?,Database Usage,Mangement Guide", + "title":"What Are the Schemas Starting with pg_toast_temp* or pg_temp*?", + "githuburl":"" + }, + { + "uri":"dws_03_2107.html", + "product_code":"dws", + "code":"245", + "des":"In GaussDB(DWS), sometimes a SQL query may get different results. This problem is most likely caused by improper syntax or usage. To avoid this problem, use the syntax co", + "doc_type":"faq", + "kw":"Solutions to Inconsistent GaussDB(DWS) Query Results,Database Usage,Mangement Guide", + "title":"Solutions to Inconsistent GaussDB(DWS) Query Results", + "githuburl":"" + }, + { + "uri":"dws_03_2108.html", + "product_code":"dws", + "code":"246", + "des":"VACUUM FULL can be performed on all GaussDB(DWS) system catalogs. However, during the process, level 8 locks will be imposed on the system catalogs, and services involvin", "doc_type":"usermanual", - "kw":"How Do I Change Distribution Columns?,Database Usage,User Guide", - "title":"How Do I Change Distribution Columns?", + "kw":"Which System Catalogs That the VACUUM FULL Operation Cannot Be Performed on?,Database Usage,Mangemen", + "title":"Which System Catalogs That the VACUUM FULL Operation Cannot Be Performed on?", + "githuburl":"" + }, + { + "uri":"dws_03_2109.html", + "product_code":"dws", + "code":"247", + "des":"When user SQL information is queried in the PGXC_STAT_ACTIVITY view, the statecolumn in the query result sometimes displays idle in transaction. idle in transaction indic", + "doc_type":"faq", + "kw":"In Which Scenarios Would a Statement Be \"idle in transaction\"?,Database Usage,Mangement Guide", + "title":"In Which Scenarios Would a Statement Be \"idle in transaction\"?", + "githuburl":"" + }, + { + "uri":"dws_03_2110.html", + "product_code":"dws", + "code":"248", + "des":"This section describes how to use SQL statements to convert rows to columns and convert columns to rows in GaussDB(DWS).Use a student score table as an example:Teachers r", + "doc_type":"faq", + "kw":"How Does GaussDB(DWS) Implement Row-to-Column and Column-to-Row Conversion?,Database Usage,Mangement", + "title":"How Does GaussDB(DWS) Implement Row-to-Column and Column-to-Row Conversion?", + "githuburl":"" + }, + { + "uri":"dws_03_1002.html", + "product_code":"dws", + "code":"249", + "des":"The concepts of a unique constraint and a unique index are different.A unique constraint specifies that the values in a column or a group of columns are all unique. If DI", + "doc_type":"faq", + "kw":"What Are the Differences Between Unique Constraints and Unique Indexes?,Database Usage,Mangement Gui", + "title":"What Are the Differences Between Unique Constraints and Unique Indexes?", "githuburl":"" }, { "uri":"dws_03_0035.html", "product_code":"dws", - "code":"201", + "code":"250", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"Database Performance", "title":"Database Performance", "githuburl":"" @@ -2012,19 +2502,19 @@ { "uri":"dws_03_0071.html", "product_code":"dws", - "code":"202", - "des":"When a database is used for a period of time, the table data increases as services grow, or the table data is frequently added, deleted, or modified. This results in bloa", - "doc_type":"usermanual", - "kw":"Why Is SQL Execution Slow After Long GaussDB(DWS) Usage?,Database Performance,User Guide", + "code":"251", + "des":"After a database is used for a period of time, the table data increases as services grow, or the table data is frequently added, deleted, or modified. As a result, bloati", + "doc_type":"faq", + "kw":"Why Is SQL Execution Slow After Long GaussDB(DWS) Usage?,Database Performance,Mangement Guide", "title":"Why Is SQL Execution Slow After Long GaussDB(DWS) Usage?", "githuburl":"" }, { "uri":"dws_03_0036.html", "product_code":"dws", - "code":"203", + "code":"252", "des":"Due to the MPP architecture limitation of GaussDB(DWS), a few PostgreSQL methods and functions cannot be pushed to DNs for execution. As a result, performance bottlenecks", - "doc_type":"usermanual", + "doc_type":"faq", "kw":"Why Does GaussDB(DWS) Perform Worse Than a Single-Server Database in Extreme Scenarios?,Database Per", "title":"Why Does GaussDB(DWS) Perform Worse Than a Single-Server Database in Extreme Scenarios?", "githuburl":"" @@ -2032,40 +2522,90 @@ { "uri":"dws_03_0100.html", "product_code":"dws", - "code":"204", - "des":"The top SQL feature lets you view SQL statements executed in a specified period (in real time and historical). SQL statements of the current CN or all CNs are available f", - "doc_type":"usermanual", - "kw":"How Can I View SQL Execution Records of A Certain Period When Service Read and Write Are Blocked?,Da", - "title":"How Can I View SQL Execution Records of A Certain Period When Service Read and Write Are Blocked?", + "code":"253", + "des":"You can use the top SQL feature to view SQL statements executed in a specified period. SQL statements of the current CN or all CNs can be viewed.Top SQL allows you to vie", + "doc_type":"faq", + "kw":"How Can I View SQL Execution Records in a Certain Period When Read and Write Requests Are Blocked?,D", + "title":"How Can I View SQL Execution Records in a Certain Period When Read and Write Requests Are Blocked?", "githuburl":"" }, { - "uri":"dws_03_0068.html", + "uri":"dws_03_1485.html", "product_code":"dws", - "code":"205", + "code":"254", + "des":"You can use a snapshot to restore your cluster to a new one that has larger storage space, and then delete the old cluster to avoid resource waste. You can learn cluster ", + "doc_type":"faq", + "kw":"What Do I Do If My Cluster Is Unavailable Because of Insufficient Space?,Database Performance,Mangem", + "title":"What Do I Do If My Cluster Is Unavailable Because of Insufficient Space?", + "githuburl":"" + }, + { + "uri":"dws_03_2111.html", + "product_code":"dws", + "code":"255", + "des":"In different service scenarios, system resources (CPU, memory, I/O, and storage resources) of the database are properly allocated to queries to ensure query performance, ", + "doc_type":"faq", + "kw":"GaussDB(DWS) CPU Resource Management,Database Performance,Mangement Guide", + "title":"GaussDB(DWS) CPU Resource Management", + "githuburl":"" + }, + { + "uri":"dws_03_2112.html", + "product_code":"dws", + "code":"256", + "des":"The execution speed of an ordinary user is slower than that of the dbadmin user in the following scenarios:Ordinary users queuing: waiting in queue/waiting in global queu", + "doc_type":"faq", + "kw":"Why the Tasks Executed by an Ordinary User Are Slower Than That Executed by the dbadmin User?,Databa", + "title":"Why the Tasks Executed by an Ordinary User Are Slower Than That Executed by the dbadmin User?", + "githuburl":"" + }, + { + "uri":"dws_03_2114.html", + "product_code":"dws", + "code":"257", + "des":"GaussDB(DWS) uses the shared-nothing architecture, and data is stored in a distributed manner. Therefore, the distribution key, data volume, and number of partitions affe", + "doc_type":"faq", + "kw":"What Are the Factors Related to the Single-Table Query Performance in GaussDB(DWS)?,Database Perform", + "title":"What Are the Factors Related to the Single-Table Query Performance in GaussDB(DWS)?", + "githuburl":"" + }, + { + "uri":"dws_03_2010.html", + "product_code":"dws", + "code":"258", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "doc_type":"usermanual", - "kw":"Logs", - "title":"Logs", + "doc_type":"faq", + "kw":"Snapshot Backup and Restoration", + "title":"Snapshot Backup and Restoration", "githuburl":"" }, { - "uri":"dws_03_0082.html", + "uri":"dws_03_0059.html", "product_code":"dws", - "code":"206", - "des":"GaussDB(DWS) allows you to record the audit logs of specific operations, involving audit log retention policies, unauthorized access, as well as DML, DDL, SELECT and COPY", - "doc_type":"usermanual", - "kw":"How Can I View Database Operation Logs?,Logs,User Guide", - "title":"How Can I View Database Operation Logs?", + "code":"259", + "des":"This happens when the data to be backed up is large. Automated snapshots are incremental backups, and the lower the frequency you set (for example, one week), the longer ", + "doc_type":"faq", + "kw":"Why Is Creating an Automated Snapshot So Slow?,Snapshot Backup and Restoration,Mangement Guide", + "title":"Why Is Creating an Automated Snapshot So Slow?", + "githuburl":"" + }, + { + "uri":"dws_03_2131.html", + "product_code":"dws", + "code":"260", + "des":"No.GaussDB(DWS) snapshots are used to restore all the configurations and service data of a cluster. EVS snapshots are used to restore the service data of a data disk or s", + "doc_type":"faq", + "kw":"Does a DWS Snapshot Have the Same Function as an EVS Snapshot?,Snapshot Backup and Restoration,Mange", + "title":"Does a DWS Snapshot Have the Same Function as an EVS Snapshot?", "githuburl":"" }, { "uri":"dws_01_0070.html", "product_code":"dws", - "code":"207", + "code":"261", "des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "doc_type":"usermanual", - "kw":"Change History,User Guide", + "kw":"Change History,Mangement Guide", "title":"Change History", "githuburl":"" } diff --git a/docs/dws/umn/CLASS.TXT.json b/docs/dws/umn/CLASS.TXT.json index b099ceb68..82bf35e73 100644 --- a/docs/dws/umn/CLASS.TXT.json +++ b/docs/dws/umn/CLASS.TXT.json @@ -27,7 +27,7 @@ "code":"3" }, { - "desc":"Enhanced ETL + Real-time BI analysisETL + BI analysisThe data warehouse is the pillar of the Business Intelligence (BI) system for collecting, storing, and analyzing mass", + "desc":"Enhanced ETL + Real-time BI analysisETL+BI analysisThe data warehouse is the pillar of the Business Intelligence (BI) system for collecting, storing, and analyzing massiv", "product_code":"dws", "title":"Application Scenarios", "uri":"dws_01_00013.html", @@ -45,7 +45,7 @@ "code":"5" }, { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "desc":"ClusterA cluster is a server group that consists of multiple nodes. GaussDB(DWS) is organized using clusters. A data warehouse cluster contains nodes with the same flavor", "product_code":"dws", "title":"Concepts", "uri":"dws_01_0004.html", @@ -53,24 +53,6 @@ "p_code":"1", "code":"6" }, - { - "desc":"A cluster is a server group that consists of multiple nodes. GaussDB(DWS) is organized using clusters. A data warehouse cluster contains nodes with the same flavor in the", - "product_code":"dws", - "title":"GaussDB(DWS) Management Concepts", - "uri":"dws_01_0005.html", - "doc_type":"usermanual", - "p_code":"6", - "code":"7" - }, - { - "desc":"A data warehouse cluster is an analysis-oriented relational database platform that supports online analysis.OLAP is a major function of data warehouse clusters. It suppor", - "product_code":"dws", - "title":"GaussDB(DWS) Database Concepts", - "uri":"dws_01_0006.html", - "doc_type":"usermanual", - "p_code":"6", - "code":"8" - }, { "desc":"GaussDB(DWS) uses Identity and Access Management (IAM) for authentication and authorization.Users who have the DWS Administrator permissions can fully utilize GaussDB(DWS", "product_code":"dws", @@ -78,16 +60,16 @@ "uri":"dws_01_0003.html", "doc_type":"usermanual", "p_code":"1", - "code":"9" + "code":"7" }, { - "desc":"If you need to assign different permissions to employees in your enterprise to access your cloud GaussDB(DWS) resources, IAM is a good choice for fine-grained permissions", + "desc":"If you need to assign different permissions to employees in your enterprise to access your GaussDB(DWS) resources on cloud, IAM is a good choice for fine-grained permissi", "product_code":"dws", "title":"GaussDB(DWS) Permissions Management", "uri":"dws_01_0144.html", "doc_type":"usermanual", "p_code":"1", - "code":"10" + "code":"8" }, { "desc":"The following figure shows how to use GaussDB(DWS).GaussDB(DWS) provides a web-based management console and HTTPS-compliant APIs for you to manage data warehouse clusters", @@ -96,25 +78,16 @@ "uri":"dws_01_0009.html", "doc_type":"usermanual", "p_code":"1", - "code":"11" + "code":"9" }, { - "desc":"You can manage clusters only and cannot directly access nodes in a cluster. You can use a cluster's IP address and port to access the database in the cluster.You cannot c", + "desc":"You can manage clusters only and cannot directly access nodes in a cluster. You can use a cluster's IP address and port to access the database in the cluster.Currently, y", "product_code":"dws", "title":"Restrictions", "uri":"dws_01_0010.html", "doc_type":"usermanual", "p_code":"1", - "code":"12" - }, - { - "desc":"This section describes the technical specifications of GaussDB(DWS) in different versions.", - "product_code":"dws", - "title":"Technical Specifications", - "uri":"dws_01_00113.html", - "doc_type":"usermanual", - "p_code":"1", - "code":"13" + "code":"10" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -123,7 +96,7 @@ "uri":"dws_01_0078.html", "doc_type":"usermanual", "p_code":"", - "code":"14" + "code":"11" }, { "desc":"This guide is an introductory tutorial that demonstrates how to create a sample GaussDB(DWS) cluster, connect to the cluster database, import the sample data from OBS, an", @@ -131,17 +104,17 @@ "title":"Step 1: Starting Preparations", "uri":"dws_01_0088.html", "doc_type":"usermanual", - "p_code":"14", - "code":"15" + "p_code":"11", + "code":"12" }, { - "desc":"Before using GaussDB(DWS) to analyze data, create a cluster. A cluster consists of multiple nodes in the same subnet. These nodes together provide services. This section ", + "desc":"Before using GaussDB(DWS) to analyze data, create a cluster. A cluster consists of multiple nodes in the same subnet. These nodes jointly provide services. This section d", "product_code":"dws", "title":"Step 2: Creating a Cluster", "uri":"dws_01_0013.html", "doc_type":"usermanual", - "p_code":"14", - "code":"16" + "p_code":"11", + "code":"13" }, { "desc":"This section describes how to use a database client to connect to the database in a GaussDB(DWS) cluster. In the following example, the Data Studio client tool is used fo", @@ -149,17 +122,17 @@ "title":"Step 3: Connecting to a Cluster", "uri":"dws_01_0107.html", "doc_type":"usermanual", - "p_code":"14", - "code":"17" + "p_code":"11", + "code":"14" }, { - "desc":"After performing the steps in preceding sections, you can refer to the documentation listed as follows for more information about GaussDB(DWS):Data Warehouse Service (DWS", + "desc":"After performing the steps in preceding sections, you can refer to the documentation listed as follows for more information about GaussDB(DWS):Data Warehouse Service User", "product_code":"dws", - "title":"Step 4: Viewing Other Documents and Clearing Resources", + "title":"Step 4: Viewing Other Documents and Deleting Resources", "uri":"dws_01_0079.html", "doc_type":"usermanual", - "p_code":"14", - "code":"18" + "p_code":"11", + "code":"15" }, { "desc":"GaussDB(DWS) is an online data processing database that uses the cloud infrastructure to provide scalable, fully-managed, and out-of-the-box analytic database service, fr", @@ -168,25 +141,25 @@ "uri":"dws_01_0018.html", "doc_type":"usermanual", "p_code":"", - "code":"19" + "code":"16" }, { - "desc":"Before using GaussDB(DWS), make the following preparations:Registering a Public Cloud Account and Completing Real-Name AuthenticationDetermining the Cluster PortsIf you d", + "desc":"Before using GaussDB(DWS), make the following preparations:Determining the Cluster PortsWhen creating a GaussDB(DWS) cluster, you need to specify a port for SQL clients o", "product_code":"dws", "title":"Preparations", "uri":"dws_01_0154.html", "doc_type":"usermanual", "p_code":"", - "code":"20" + "code":"17" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", - "title":"Cluster Configuration", + "title":"Creating or Deleting a Cluster", "uri":"dws_01_0160.html", "doc_type":"usermanual", "p_code":"", - "code":"21" + "code":"18" }, { "desc":"This section describes how to log in to the GaussDB(DWS) management console and use GaussDB(DWS).", @@ -194,17 +167,26 @@ "title":"Accessing the GaussDB(DWS) Management Console", "uri":"dws_01_0157.html", "doc_type":"usermanual", - "p_code":"21", - "code":"22" + "p_code":"18", + "code":"19" }, { - "desc":"To use cloud GaussDB(DWS), create a cluster first.This section describes how to create a data warehouse cluster on the GaussDB(DWS) management console.You have evaluated ", + "desc":"To use cloud GaussDB(DWS), create a data warehouse cluster first.This section describes how to create a data warehouse cluster on the GaussDB(DWS) management console.You ", "product_code":"dws", "title":"Creating a Cluster", "uri":"dws_01_0019.html", "doc_type":"usermanual", - "p_code":"21", - "code":"23" + "p_code":"18", + "code":"20" + }, + { + "desc":"If you do not need to use a cluster, perform the operations in this section to delete it.Deleted clusters cannot be recovered. Additionally, you cannot access user data a", + "product_code":"dws", + "title":"Deleting a Cluster", + "uri":"dws_01_0025.html", + "doc_type":"usermanual", + "p_code":"18", + "code":"21" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -213,7 +195,7 @@ "uri":"dws_01_0131.html", "doc_type":"usermanual", "p_code":"", - "code":"24" + "code":"22" }, { "desc":"If you have created a GaussDB(DWS) cluster, you can use the SQL client tool or a third-party driver such as JDBC or ODBC to connect to the cluster and access the database", @@ -221,8 +203,8 @@ "title":"Methods of Connecting to a Cluster", "uri":"dws_01_0137.html", "doc_type":"usermanual", - "p_code":"24", - "code":"25" + "p_code":"22", + "code":"23" }, { "desc":"You can access GaussDB(DWS) clusters by different methods and the connection address of each connection method varies. This section describes how to view and obtain the p", @@ -230,71 +212,8 @@ "title":"Obtaining the Cluster Connection Address", "uri":"dws_01_0033.html", "doc_type":"usermanual", - "p_code":"24", - "code":"26" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Using the gsql CLI Client to Connect to a Cluster", - "uri":"dws_01_0093.html", - "doc_type":"usermanual", - "p_code":"24", - "code":"27" - }, - { - "desc":"GaussDB(DWS) provides client tool packages that match the cluster versions. You can download the desired client tool package on the GaussDB(DWS) management console.The cl", - "product_code":"dws", - "title":"Downloading the Client", - "uri":"dws_01_0031.html", - "doc_type":"usermanual", - "p_code":"27", - "code":"28" - }, - { - "desc":"The gsql command line client provided by GaussDB(DWS) runs on the Linux OS. Before using it to remotely connect to a GaussDB(DWS) cluster, you need to prepare a Linux hos", - "product_code":"dws", - "title":"Preparing an ECS as the gsql Client Host", - "uri":"dws_01_0128.html", - "doc_type":"usermanual", - "p_code":"27", - "code":"29" - }, - { - "desc":"This section describes how to connect to a database through an SQL client after you create a data warehouse cluster and before you use the cluster's database. GaussDB(DWS", - "product_code":"dws", - "title":"Using the gsql Client to Connect to a Cluster", - "uri":"dws_01_0037.html", - "doc_type":"usermanual", - "p_code":"27", - "code":"30" - }, - { - "desc":"If the client or JDBC/ODBC driver needs to use SSL connection, you must configure related SSL connection parameters in the client or application code. The GaussDB(DWS) ma", - "product_code":"dws", - "title":"Establishing Secure TCP/IP Connections in SSL Mode", - "uri":"dws_01_0038.html", - "doc_type":"usermanual", - "p_code":"27", - "code":"31" - }, - { - "desc":"GaussDB(DWS) supports connections in SSL authentication mode so that data transmitted between the GaussDB(DWS) client and the database can be encrypted. The SSL mode deli", - "product_code":"dws", - "title":"(Optional) Configuring SSL Connection", - "uri":"dws_01_0076.html", - "doc_type":"usermanual", - "p_code":"27", - "code":"32" - }, - { - "desc":"GaussDB(DWS) supports the standard SSL (TLS 1.2). As a highly secure protocol, SSL authenticates bidirectional identification between the server and client using digital ", - "product_code":"dws", - "title":"(Optional) Downloading the SSL Certificate", - "uri":"dws_01_0083.html", - "doc_type":"usermanual", - "p_code":"27", - "code":"33" + "p_code":"22", + "code":"24" }, { "desc":"Data Studio is a SQL client tool running on the Windows operating system. It provides various GUIs for you to manage databases and database objects, as well as edit, run,", @@ -302,8 +221,53 @@ "title":"Using the Data Studio GUI Client to Connect to a Cluster", "uri":"dws_01_0094.html", "doc_type":"usermanual", - "p_code":"24", - "code":"34" + "p_code":"22", + "code":"25" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Using the gsql CLI Client to Connect to a Cluster", + "uri":"dws_01_0093.html", + "doc_type":"usermanual", + "p_code":"22", + "code":"26" + }, + { + "desc":"GaussDB(DWS) provides client tool packages that match the cluster versions. You can download the desired client tool package on the GaussDB(DWS) management console.The cl", + "product_code":"dws", + "title":"Downloading the Client", + "uri":"dws_01_0031.html", + "doc_type":"usermanual", + "p_code":"26", + "code":"27" + }, + { + "desc":"This section describes how to connect to a database through an SQL client after you create a data warehouse cluster and before you use the cluster's database. GaussDB(DWS", + "product_code":"dws", + "title":"Using the Linux gsql Client to Connect to a Cluster", + "uri":"dws_01_0037.html", + "doc_type":"usermanual", + "p_code":"26", + "code":"28" + }, + { + "desc":"This section describes how to connect to a database through an SQL client after you create a data warehouse cluster and before you use the cluster's database. GaussDB(DWS", + "product_code":"dws", + "title":"Using the Windows gsql Client to Connect to a Cluster", + "uri":"dws_01_0128.html", + "doc_type":"usermanual", + "p_code":"26", + "code":"29" + }, + { + "desc":"GaussDB(DWS) supports the standard SSL. As a highly secure protocol, SSL authenticates bidirectional identification between the server and client using digital signatures", + "product_code":"dws", + "title":"Establishing Secure TCP/IP Connections in SSL Mode", + "uri":"dws_01_0038.html", + "doc_type":"usermanual", + "p_code":"26", + "code":"30" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -311,8 +275,8 @@ "title":"Using the JDBC and ODBC Drivers to Connect to a Cluster", "uri":"dws_01_0081.html", "doc_type":"usermanual", - "p_code":"24", - "code":"35" + "p_code":"22", + "code":"31" }, { "desc":"If the connection pool mechanism is used during application development, the following specifications must be met. Otherwise, connections in the connection pool have stat", @@ -320,8 +284,8 @@ "title":"Development Specifications", "uri":"dws_01_0106.html", "doc_type":"usermanual", - "p_code":"35", - "code":"36" + "p_code":"31", + "code":"32" }, { "desc":"The JDBC or ODBC driver is used to connect to data warehouse clusters. You can download the JDBC or ODBC driver provided by GaussDB(DWS) from the management console or us", @@ -329,71 +293,62 @@ "title":"Downloading the JDBC or ODBC Driver", "uri":"dws_01_0032.html", "doc_type":"usermanual", - "p_code":"35", - "code":"37" + "p_code":"31", + "code":"33" }, { "desc":"In GaussDB(DWS), you can use a JDBC driver to connect to a database on Linux or Windows. The driver can connect to the database through an ECS on the cloud platform or ov", "product_code":"dws", - "title":"Using a JDBC Driver to Connect to a Database", + "title":"Using JDBC to Connect to a Cluster", "uri":"dws_01_0077.html", "doc_type":"usermanual", - "p_code":"35", - "code":"38" + "p_code":"31", + "code":"34" }, { - "desc":"GaussDB(DWS) allows you to use an ODBC driver to connect to the database through an ECS on the cloud platform or over the Internet.For details about how to use the ODBC A", + "desc":"If you use JDBC to connect to only one CN in the cluster, this CN may be overloaded and other CN resources wasted. It also incurs single-node failure risks.To avoid these", "product_code":"dws", - "title":"Using an ODBC Driver to Connect to a Database", - "uri":"dws_01_0086.html", + "title":"Configuring JDBC to Connect to a Cluster (Load Balancing Mode)", + "uri":"dws_01_0169.html", "doc_type":"usermanual", - "p_code":"35", - "code":"39" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Connecting to a Cluster Using IAM Authentication", - "uri":"dws_01_0133.html", - "doc_type":"usermanual", - "p_code":"35", - "code":"40" + "p_code":"31", + "code":"35" }, { "desc":"GaussDB(DWS) allows you to access databases using IAM authentication. When you use the JDBC application program to connect to a cluster, set the IAM username, credential,", "product_code":"dws", - "title":"Overview", - "uri":"dws_01_0134.html", + "title":"Using JDBC to Connect to a Cluster (IAM Authentication Mode)", + "uri":"dws_01_0133.html", "doc_type":"usermanual", - "p_code":"40", - "code":"41" + "p_code":"31", + "code":"36" }, { - "desc":"The IAM account you use to access a database must be granted with the DWS Database Access permission. Only users with both the DWS Administrator and DWS Database Access p", + "desc":"GaussDB(DWS) allows you to use an ODBC driver to connect to the database through an ECS on the cloud platform or over the Internet.For details about how to use the ODBC A", "product_code":"dws", - "title":"Granting an IAM Account the DWS Database Access Permission", - "uri":"dws_01_0135.html", + "title":"Using ODBC to Connect to a Cluster", + "uri":"dws_01_0086.html", "doc_type":"usermanual", - "p_code":"40", - "code":"42" + "p_code":"31", + "code":"37" }, { - "desc":"You can log in to the management console to create an AK/SK pair or use an existing one.Log in to the management console, move your cursor over your account in the upper ", + "desc":"After creating a data warehouse cluster and using the third-party function library psycopg2 to connect to the cluster, you can use Python to access GaussDB(DWS) and perfo", "product_code":"dws", - "title":"Creating an IAM User Credential", - "uri":"dws_01_0136.html", + "title":"Using the Third-Party Function Library psycopg2 of Python to Connect to a Cluster", + "uri":"dws_01_0120.html", "doc_type":"usermanual", - "p_code":"40", - "code":"43" + "p_code":"22", + "code":"38" }, { - "desc":"When you use the JDBC application program to connect to a cluster, set the IAM username, credential, and other information as you configure the JDBC URL. After doing this", + "desc":"After creating a data warehouse cluster and using the third-party function library PyGreSQL to connect to the cluster, you can use Python to access GaussDB(DWS) and perfo", "product_code":"dws", - "title":"Configuring the JDBC Connection to Connect to a Cluster Using IAM Authentication", - "uri":"dws_01_0132.html", + "title":"Using the Python Library PyGreSQL to Connect to a Cluster", + "uri":"dws_01_0171.html", "doc_type":"usermanual", - "p_code":"40", - "code":"44" + "p_code":"22", + "code":"39" }, { "desc":"By default, a database supports a certain number of connections. Administrators can manage database connections to learn about the connection performance of the current d", @@ -401,584 +356,8 @@ "title":"Managing Database Connections", "uri":"dws_01_0039.html", "doc_type":"usermanual", - "p_code":"24", - "code":"45" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Clusters", - "uri":"dws_01_0600.html", - "doc_type":"usermanual", - "p_code":"", - "code":"46" - }, - { - "desc":"On the Clusters page of the GaussDB(DWS) management console, you can view the general information about a cluster in the cluster list, such as the cluster status, task in", - "product_code":"dws", - "title":"Checking the Cluster Status", - "uri":"dws_01_0020.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"47" - }, - { - "desc":"Log in to the GaussDB(DWS) management console. In the navigation tree on the left, choose Clusters. In the cluster list, locate the required cluster and click its name. T", - "product_code":"dws", - "title":"Viewing Basic Cluster Information", - "uri":"dws_01_0112.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"48" - }, - { - "desc":"A domain name is a string of characters separated by dots to identify the location of a computer or a computer group on the Internet, for example, www.example.com. You ca", - "product_code":"dws", - "title":"Managing Access Domain Names", - "uri":"dws_01_0140.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"49" - }, - { - "desc":"On the Nodes tab page, you can view the node list of the current cluster, add new nodes to or remove nodes from it, and view the node usage, status, and flavors.This feat", - "product_code":"dws", - "title":"Nodes", - "uri":"dws_01_0818.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"50" - }, - { - "desc":"As your data warehouse capacity and performance requirements change, you can adjust the sizes of existing clusters on the management console to utilize compute and storag", - "product_code":"dws", - "title":"Cluster Scale-out", - "uri":"dws_01_0023.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"51" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Cluster Redistribution", - "uri":"dws_01_0820.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"52" - }, - { - "desc":"Data redistribution, where data in existing nodes is evenly allocated to the new nodes after you scale out a cluster, is a time-consuming yet crucial task that accelerate", - "product_code":"dws", - "title":"Redistributing Data", - "uri":"dws_01_8201.html", - "doc_type":"usermanual", - "p_code":"52", - "code":"53" - }, - { - "desc":"On the View Redistribution Details page, you can view the redistribution mode and progress of the current cluster. In offline scheduling mode, you can pause, resume, and ", - "product_code":"dws", - "title":"Viewing Redistribution Details", - "uri":"dws_01_8202.html", - "doc_type":"usermanual", - "p_code":"52", - "code":"54" - }, - { - "desc":"In the Unbalanced state, the number of primary instances on some nodes increases. As a result, the load pressure is high. In this case, the cluster is normal, but the ove", - "product_code":"dws", - "title":"Performing a Primary/Standby Switchback", - "uri":"dws_01_8115.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"55" - }, - { - "desc":"After you create a data warehouse cluster, the system automatically configures a random maintenance window for the cluster. Alternatively, you can customize a maintenance", - "product_code":"dws", - "title":"Cluster Upgrade", - "uri":"dws_01_0008.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"56" - }, - { - "desc":"GaussDB(DWS) allows you to reset the password of the database administrator. If a database administrator forgets their password or the account is locked because the numbe", - "product_code":"dws", - "title":"Password Reset", - "uri":"dws_01_0026.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"57" - }, - { - "desc":"If a cluster is in the Unbalanced state or cannot work properly, you may need to restart it for restoration. After modifying a cluster's configurations, such as security ", - "product_code":"dws", - "title":"Cluster Restart", - "uri":"dws_01_0024.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"58" - }, - { - "desc":"After a cluster is created, you can modify the cluster's database parameters as required. On the GaussDB(DWS) management console, you can view or set common database para", - "product_code":"dws", - "title":"Modifying Database Parameters", - "uri":"dws_01_0152.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"59" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"MRS Data Sources", - "uri":"dws_01_0057.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"60" - }, - { - "desc":"MRS is a big data cluster running based on the open-source Hadoop ecosystem. It provides the industry's latest cutting-edge storage and analysis capabilities of massive v", - "product_code":"dws", - "title":"Importing Data from MRS to GaussDB(DWS)", - "uri":"dws_01_0055.html", - "doc_type":"usermanual", - "p_code":"60", - "code":"61" - }, - { - "desc":"Before GaussDB(DWS) reads data from MRS HDFS, you need to create an MRS data source connection that functions as a channel of transporting data warehouse cluster data and", - "product_code":"dws", - "title":"Creating an MRS Data Source Connection", - "uri":"dws_01_0059.html", - "doc_type":"usermanual", - "p_code":"60", - "code":"62" - }, - { - "desc":"For MRS, if the following parameter configurations of the HDFS cluster change, data may fail to be imported to the data warehouse cluster from the HDFS cluster. Before im", - "product_code":"dws", - "title":"Updating the MRS Data Source Configuration", - "uri":"dws_01_0156.html", - "doc_type":"usermanual", - "p_code":"60", - "code":"63" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Managing Cluster Workloads", - "uri":"dws_01_0723.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"64" - }, - { - "desc":"When multiple database users query jobs at the same time, some complex queries may occupy cluster resources for a long time, affecting the performance of other queries. F", - "product_code":"dws", - "title":"Workload Management Overview", - "uri":"dws_01_07231.html", - "doc_type":"usermanual", - "p_code":"64", - "code":"65" - }, - { - "desc":"You can create a maximum of 63 workload queues.", - "product_code":"dws", - "title":"Adding Workload Queues", - "uri":"dws_01_07233.html", - "doc_type":"usermanual", - "p_code":"64", - "code":"66" - }, - { - "desc":"You can modify the parameters of a workload queue.Click Edit on the right and modify the parameters according to Table 1.Workload queue parametersParameterDescriptionValu", - "product_code":"dws", - "title":"Modifying Workload Queues", - "uri":"dws_01_07234.html", - "doc_type":"usermanual", - "p_code":"64", - "code":"67" - }, - { - "desc":"In the Query Overview area, you can view the number of long and short queries that are running in the current queue at the current time. The chart information is refreshe", - "product_code":"dws", - "title":"Workload Queue Query", - "uri":"dws_01_07238.html", - "doc_type":"usermanual", - "p_code":"64", - "code":"68" - }, - { - "desc":"If the queue to be deleted has associated database users, these users will be associated with the default queue after the queue is deleted.", - "product_code":"dws", - "title":"Deleting Workload Queues", - "uri":"dws_01_07239.html", - "doc_type":"usermanual", - "p_code":"64", - "code":"69" - }, - { - "desc":"Workload plan is an advanced workload management feature provided by GaussDB(DWS). You can create a workload plan, add multiple stages to the plan, and configure differen", - "product_code":"dws", - "title":"Workload Plans", - "uri":"dws_01_72362.html", - "doc_type":"usermanual", - "p_code":"64", - "code":"70" - }, - { - "desc":"You must stop the workload plan when adding a stage. Otherwise, the stage cannot be added.You can add a maximum of 48 stages for each plan.The switchover time of all phas", - "product_code":"dws", - "title":"Stages of Workload Plans", - "uri":"dws_01_72363.html", - "doc_type":"usermanual", - "p_code":"64", - "code":"71" - }, - { - "desc":"You can commission a workload plan in the test environment and export the plan configurations to the production environment.An ongoing workload plan cannot be imported.Be", - "product_code":"dws", - "title":"Importing and Exporting Workload Plans", - "uri":"dws_01_72365.html", - "doc_type":"usermanual", - "p_code":"64", - "code":"72" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Managing Logical Clusters", - "uri":"dws_01_0724.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"73" - }, - { - "desc":"A physical cluster can be divided into logical clusters that use the node-group mechanism. Tables in a database can be allocated to different physical nodes by logical cl", - "product_code":"dws", - "title":"Overview", - "uri":"dws_01_7241.html", - "doc_type":"usermanual", - "p_code":"73", - "code":"74" - }, - { - "desc":"If you access the Logical Clusters page for the first time, the metadata of the logical cluster created at the backend is synchronized to the frontend. After the synchron", - "product_code":"dws", - "title":"Adding Logical Clusters", - "uri":"dws_01_7242.html", - "doc_type":"usermanual", - "p_code":"73", - "code":"75" - }, - { - "desc":"Nodes are added to or removed from a logical cluster by ring.At least one ring must be reserved in a logical cluster.The ring removed from the logical cluster will be add", - "product_code":"dws", - "title":"Editing Logical Clusters", - "uri":"dws_01_7243.html", - "doc_type":"usermanual", - "p_code":"73", - "code":"76" - }, - { - "desc":"The first added logical cluster cannot be deleted.Nodes of the deleted logical cluster are added to the elastic cluster.", - "product_code":"dws", - "title":"Deleting Logical Clusters", - "uri":"dws_01_7244.html", - "doc_type":"usermanual", - "p_code":"73", - "code":"77" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Restarting Logical Clusters", - "uri":"dws_01_7245.html", - "doc_type":"usermanual", - "p_code":"73", - "code":"78" - }, - { - "desc":"Logical clusters and elastic clusters cannot be scaled out online.", - "product_code":"dws", - "title":"Scaling Out Logical Clusters", - "uri":"dws_01_7246.html", - "doc_type":"usermanual", - "p_code":"73", - "code":"79" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Managing Tags", - "uri":"dws_01_0103.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"80" - }, - { - "desc":"A tag is a key-value pair customized by users and used to identify cloud resources. It helps users to classify and search for cloud resources.Tags are composed of key-val", - "product_code":"dws", - "title":"Overview", - "uri":"dws_01_0104.html", - "doc_type":"usermanual", - "p_code":"80", - "code":"81" - }, - { - "desc":"This section describes how to search for clusters based on tags and how to add, modify, and delete tags for clusters.You can quickly locate a tagged cluster using tags.Yo", - "product_code":"dws", - "title":"Tag Management", - "uri":"dws_01_0105.html", - "doc_type":"usermanual", - "p_code":"80", - "code":"82" - }, - { - "desc":"An enterprise project is a cloud resource management mode. Enterprise Management provides users with comprehensive management in cloud-based resources, personnel, and per", - "product_code":"dws", - "title":"Managing Enterprise Projects", - "uri":"dws_01_0113.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"83" - }, - { - "desc":"If you do not need to use a cluster, perform the operations in this section to delete it.Deleted clusters cannot be recovered. Additionally, you cannot access user data a", - "product_code":"dws", - "title":"Deleting Clusters", - "uri":"dws_01_0025.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"84" - }, - { - "desc":"To facilitate database parameter configuration, GaussDB(DWS) provides the parameter template function. A parameter template contains some common database parameters. You ", - "product_code":"dws", - "title":"Managing Parameter Templates", - "uri":"dws_01_0126.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"85" - }, - { - "desc":"If a cluster fails to be created, you can go to the Clusters page of the GaussDB(DWS) management console to view the cluster status and the cause of failure.For details a", - "product_code":"dws", - "title":"Managing Clusters That Fail to Be Created", - "uri":"dws_01_0073.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"86" - }, - { - "desc":"No database operation is allowed on a read-only cluster. Cancel the read-only status on the management console.You can cancel the read-only status only when a cluster is ", - "product_code":"dws", - "title":"Read-only Status", - "uri":"dws_01_0035.html", - "doc_type":"usermanual", - "p_code":"46", - "code":"87" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Cluster HA", - "uri":"dws_01_0161.html", - "doc_type":"usermanual", - "p_code":"", - "code":"88" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Snapshots", - "uri":"dws_01_0800.html", - "doc_type":"usermanual", - "p_code":"88", - "code":"89" - }, - { - "desc":"A snapshot is a full or incremental backup of a GaussDB(DWS) cluster at a specific point in time. It records the current database data and cluster information, including ", - "product_code":"dws", - "title":"Overview", - "uri":"dws_01_0151.html", - "doc_type":"usermanual", - "p_code":"89", - "code":"90" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Manual Snapshots", - "uri":"dws_01_0092.html", - "doc_type":"usermanual", - "p_code":"89", - "code":"91" - }, - { - "desc":"A snapshot is a complete backup that records point-in-time configuration data and service data of a GaussDB(DWS) cluster. This section describes how to create a snapshot ", - "product_code":"dws", - "title":"Manually Creating a Snapshot", - "uri":"dws_01_0028.html", - "doc_type":"usermanual", - "p_code":"91", - "code":"92" - }, - { - "desc":"On the Snapshots page, you can delete a snapshot in the Unavailable state or delete an available snapshot to release the storage space.Deleted snapshots cannot be restore", - "product_code":"dws", - "title":"Deleting Manual Snapshots", - "uri":"dws_01_0030.html", - "doc_type":"usermanual", - "p_code":"91", - "code":"93" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Automated Snapshots", - "uri":"dws_01_1013.html", - "doc_type":"usermanual", - "p_code":"89", - "code":"94" - }, - { - "desc":"Automated snapshots adopt differential incremental backups. The automated snapshot created for the first time is a full backup (base version), and then the system creates", - "product_code":"dws", - "title":"Automated Snapshot Overview", - "uri":"dws_01_10131.html", - "doc_type":"usermanual", - "p_code":"94", - "code":"95" - }, - { - "desc":"You can select a snapshot type and set one or more automated snapshot policies for a cluster. After an automated snapshot policy is enabled, the system automatically crea", - "product_code":"dws", - "title":"Configuring an Automated Snapshot Policy", - "uri":"dws_01_0089.html", - "doc_type":"usermanual", - "p_code":"94", - "code":"96" - }, - { - "desc":"This section describes how to copy snapshots that are automatically created for long-term retention.All snapshots are displayed by default. You can copy the snapshots tha", - "product_code":"dws", - "title":"Copying Automated Snapshots", - "uri":"dws_01_0085.html", - "doc_type":"usermanual", - "p_code":"94", - "code":"97" - }, - { - "desc":"Only GaussDB(DWS) can delete automated snapshots. You cannot delete them manually.GaussDB(DWS) deletes an automated snapshot if:The retention period of the snapshot ends.", - "product_code":"dws", - "title":"Deleting an Automated Snapshot", - "uri":"dws_01_10134.html", - "doc_type":"usermanual", - "p_code":"94", - "code":"98" - }, - { - "desc":"This section describes how to view snapshot information on the Snapshots page.In the snapshot list, all snapshots are displayed by default. Click next to the snapshot na", - "product_code":"dws", - "title":"Viewing Snapshot Information", - "uri":"dws_01_0021.html", - "doc_type":"usermanual", - "p_code":"89", - "code":"99" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Restoration Using a Snapshot", - "uri":"dws_01_1015.html", - "doc_type":"usermanual", - "p_code":"89", - "code":"100" - }, - { - "desc":"This section describes how to restore a snapshot to a new cluster when you want to check point-in-time snapshot data of the cluster.When a snapshot is restored to a new c", - "product_code":"dws", - "title":"Restoring a Snapshot to a New Cluster", - "uri":"dws_01_0029.html", - "doc_type":"usermanual", - "p_code":"100", - "code":"101" - }, - { - "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", - "product_code":"dws", - "title":"Cluster DR", - "uri":"dws_01_0080.html", - "doc_type":"usermanual", - "p_code":"88", - "code":"102" - }, - { - "desc":"A homogeneous GaussDB(DWS) DR cluster is deployed in another AZ. If the production cluster fails to provide read and write services due to natural disasters in the specif", - "product_code":"dws", - "title":"DR Overview", - "uri":"dws_01_00081.html", - "doc_type":"usermanual", - "p_code":"102", - "code":"103" - }, - { - "desc":"You can create a DR task only when the cluster is in the Available or Unbalanced state.Type: Cross-AZ DRName: Enter 4 to 64 case-insensitive characters, starting with a l", - "product_code":"dws", - "title":"Creating a DR Task", - "uri":"dws_01_00082.html", - "doc_type":"usermanual", - "p_code":"102", - "code":"104" - }, - { - "desc":"On the page that is displayed, view the following information:DR Information: You can view the DR ID, DR name, DR creation time, and DR status.Production Cluster Informat", - "product_code":"dws", - "title":"Viewing DR Information", - "uri":"dws_01_00083.html", - "doc_type":"usermanual", - "p_code":"102", - "code":"105" - }, - { - "desc":"The DR status will change to Starting. The process will take some time. After the task is started, the DR status will change to Running.You can start a DR task that is in", - "product_code":"dws", - "title":"DR Management", - "uri":"dws_01_00084.html", - "doc_type":"usermanual", - "p_code":"102", - "code":"106" - }, - { - "desc":"After scale-out, the number of DNs in the production cluster must be the same as that in the DR cluster.", - "product_code":"dws", - "title":"Mutually Exclusive DR Cases", - "uri":"dws_01_00085.html", - "doc_type":"usermanual", - "p_code":"102", - "code":"107" - }, - { - "desc":"If the internal IP address or EIP of a CN is used to connect to a cluster, the failure of this CN will lead to cluster connection failure. If a private domain name is use", - "product_code":"dws", - "title":"Associating and Disassociating ELB", - "uri":"dws_01_0822.html", - "doc_type":"usermanual", - "p_code":"88", - "code":"108" - }, - { - "desc":"After a cluster is created, the number of required CNs varies with service requirements. The CN management function enables you to adjust the number of CNs in the cluster", - "product_code":"dws", - "title":"CNs", - "uri":"dws_01_7115.html", - "doc_type":"usermanual", - "p_code":"88", - "code":"109" + "p_code":"22", + "code":"40" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -987,16 +366,16 @@ "uri":"dws_01_0162.html", "doc_type":"usermanual", "p_code":"", - "code":"110" + "code":"41" }, { - "desc":"This section describes how to check cluster metrics on Cloud Eye. By monitoring cluster running metrics, you can identify the time when the database cluster is abnormal a", + "desc":"The Dashboard page consists of the following parts:ResourcesIn the Resources module, you can view the number of available resources, including Available/Total Clusters, A", "product_code":"dws", - "title":"Monitoring Clusters Using Cloud Eye", - "uri":"dws_01_0022.html", + "title":"Dashboard", + "uri":"dws_01_1211.html", "doc_type":"usermanual", - "p_code":"110", - "code":"111" + "p_code":"41", + "code":"42" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -1004,8 +383,8 @@ "title":"Databases Monitoring", "uri":"dws_01_00014.html", "doc_type":"usermanual", - "p_code":"110", - "code":"112" + "p_code":"41", + "code":"43" }, { "desc":"DMS is provided by GaussDB(DWS) to ensure the fast and stable running of databases. It collects, monitors, and analyzes the disk, network, and OS metric data used by the ", @@ -1013,8 +392,8 @@ "title":"Database Monitoring Overview", "uri":"dws_01_00131.html", "doc_type":"usermanual", - "p_code":"112", - "code":"113" + "p_code":"43", + "code":"44" }, { "desc":"You can check the status and available resources of a cluster and learn about its real-time resource consumption through the GaussDB(DWS) monitoring items.Table 1 describ", @@ -1022,8 +401,8 @@ "title":"Monitoring Metrics", "uri":"dws_01_00136.html", "doc_type":"usermanual", - "p_code":"112", - "code":"114" + "p_code":"43", + "code":"45" }, { "desc":"On the page that is displayed, you can view the cluster status, real-time resource consumption, top SQL statements, cluster resource consumption, and key database metrics", @@ -1031,8 +410,8 @@ "title":"Cluster Overview", "uri":"dws_01_00132.html", "doc_type":"usermanual", - "p_code":"112", - "code":"115" + "p_code":"43", + "code":"46" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -1040,8 +419,8 @@ "title":"Monitoring", "uri":"dws_01_00133.html", "doc_type":"usermanual", - "p_code":"112", - "code":"116" + "p_code":"43", + "code":"47" }, { "desc":"On the page that is displayed, view the real-time consumption of nodes, memory, disks, disk I/O, and network I/O.On the Overview tab page, you can view the key resources ", @@ -1049,17 +428,17 @@ "title":"Node Monitoring", "uri":"dws_01_1331.html", "doc_type":"usermanual", - "p_code":"116", - "code":"117" + "p_code":"47", + "code":"48" }, { - "desc":"The Performance Monitoring page displays the resource consumption trends of clusters and databases.You can configure monitoring views by customizing monitoring panels. Mo", + "desc":"You can select a time range and check the performance trend in this range.By default, the monitoring information of the last hour is displayed.You can view the monitoring", "product_code":"dws", "title":"Performance Monitoring", "uri":"dws_01_1337.html", "doc_type":"usermanual", - "p_code":"116", - "code":"118" + "p_code":"47", + "code":"49" }, { "desc":"The Database Monitoring page displays the real-time and historical resource consumption a database.You can select a database and check its resource usage. For details, se", @@ -1067,26 +446,26 @@ "title":"Database Monitoring", "uri":"dws_01_1332.html", "doc_type":"usermanual", - "p_code":"116", - "code":"119" + "p_code":"47", + "code":"50" }, { - "desc":"The Session Monitoring page displays the session-level real-time database query statistics. You can also select and terminate a session.You can browse the query statistic", + "desc":"You can check the real-time information about all queries and sessions running in the cluster.Real-time query is supported only in clusters of version 8.1.2 and later.You", "product_code":"dws", - "title":"Session Monitoring", - "uri":"dws_01_1333.html", - "doc_type":"usermanual", - "p_code":"116", - "code":"120" - }, - { - "desc":"The Query Monitoring page displays the real-time information about all queries that are running in a cluster and the historical information about the queries that have be", - "product_code":"dws", - "title":"Query Monitoring", + "title":"Real-Time Queries", "uri":"dws_01_1334.html", "doc_type":"usermanual", - "p_code":"116", - "code":"121" + "p_code":"47", + "code":"51" + }, + { + "desc":"All the historical queries in the current cluster will be displayed.Historical queries can be viewed only in clusters of version 8.1.2 and later.To enable historical quer", + "product_code":"dws", + "title":"Historical Queries", + "uri":"dws_01_1333.html", + "doc_type":"usermanual", + "p_code":"47", + "code":"52" }, { "desc":"On the Instance Monitoring page, you can view the real-time and historical information about detected slow instances.DMS can automatically configure and start the slow in", @@ -1094,17 +473,17 @@ "title":"Instance Monitoring", "uri":"dws_01_1338.html", "doc_type":"usermanual", - "p_code":"116", - "code":"122" + "p_code":"47", + "code":"53" }, { - "desc":"On the Load Monitoring page, you can view the real-time and historical resource consumption of workload queues.The DMS displays the user-defined workload queue name, real", + "desc":"You can check the real-time statistics and resource consumption history about resource pools.You can check user-defined resource pools, real-time and historical resource ", "product_code":"dws", - "title":"Load Monitoring", + "title":"Resource Pool Monitoring", "uri":"dws_01_1339.html", "doc_type":"usermanual", - "p_code":"116", - "code":"123" + "p_code":"47", + "code":"54" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -1112,26 +491,71 @@ "title":"Utilities", "uri":"dws_01_00175.html", "doc_type":"usermanual", - "p_code":"112", - "code":"124" + "p_code":"43", + "code":"55" }, { - "desc":"To enable SQL diagnosis, enable monitoring on real-time and historical queries on the Queries and History tabs, respectively. For details, see .Query IDDatabaseSchema Nam", + "desc":"To enable SQL diagnosis, enable monitoring on real-time and historical queries on the Queries and History tabs, respectively. For details, see Monitoring Collection.Query", "product_code":"dws", "title":"SQL Diagnosis", "uri":"dws_01_00134.html", "doc_type":"usermanual", - "p_code":"124", - "code":"125" + "p_code":"55", + "code":"56" }, { - "desc":"You can audit DDL to check DDL metadata, identify inappropriate table definitions, and locate performance problems.This feature is supported only in cluster version 8.1.2", + "desc":"You can upload and verify SQL probes, execute probe tasks in one click, and periodically execute probe tasks. Alarms can be reported for timeout SQL probes. The following", "product_code":"dws", - "title":"DDL Audit", + "title":"SQL Probes", + "uri":"dws_01_01753.html", + "doc_type":"usermanual", + "p_code":"55", + "code":"57" + }, + { + "desc":"GaussDB(DWS) provides statistics and diagnostic tools for you to learn table status, including:Skew Rate: monitors and analyzes data table statistics in the cluster, and ", + "product_code":"dws", + "title":"Table Diagnosis", "uri":"dws_01_01752.html", "doc_type":"usermanual", - "p_code":"124", - "code":"126" + "p_code":"55", + "code":"58" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Workload Analysis", + "uri":"dws_01_00139.html", + "doc_type":"usermanual", + "p_code":"43", + "code":"59" + }, + { + "desc":"The workload analysis tool of GaussDB(DWS) collects and analyzes database performance data. You can create workload snapshots to record cluster workload data in a specifi", + "product_code":"dws", + "title":"Workload Analysis Overview", + "uri":"dws_01_00142.html", + "doc_type":"usermanual", + "p_code":"59", + "code":"60" + }, + { + "desc":"You can check the basic information about the cluster workload snapshots, manually create a snapshot, and configure snapshot parameters.Before creating a workload snapsho", + "product_code":"dws", + "title":"Workload Snapshots", + "uri":"dws_01_00140.html", + "doc_type":"usermanual", + "p_code":"59", + "code":"61" + }, + { + "desc":"You can create, download, and delete work diagnosis reports, and check historical workload diagnosis reports.To create a workload report, obtain the required OBS bucket p", + "product_code":"dws", + "title":"Workload Reports", + "uri":"dws_01_00141.html", + "doc_type":"usermanual", + "p_code":"59", + "code":"62" }, { "desc":"The Monitoring page displays the collection period and data aging period of monitoring metrics.The cluster monitoring function is enabled by default.Disable the function ", @@ -1139,8 +563,17 @@ "title":"Settings", "uri":"dws_01_00135.html", "doc_type":"usermanual", - "p_code":"112", - "code":"127" + "p_code":"43", + "code":"63" + }, + { + "desc":"On the task details page, you can view the status of tasks, such as enabling, disabling, resetting, and modifying cluster monitoring collection items; one-click DDL revie", + "product_code":"dws", + "title":"Checking Task Details", + "uri":"dws_01_0143.html", + "doc_type":"usermanual", + "p_code":"43", + "code":"64" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -1148,8 +581,8 @@ "title":"Typical Scenarios", "uri":"dws_01_00137.html", "doc_type":"usermanual", - "p_code":"112", - "code":"128" + "p_code":"43", + "code":"65" }, { "desc":"The execution of SQL statements takes a long time, resulting in great resource consumption.If the execution efficiency of SQL statements is low, optimization suggestions ", @@ -1157,8 +590,8 @@ "title":"SQL Diagnosis", "uri":"dws_01_01372.html", "doc_type":"usermanual", - "p_code":"128", - "code":"129" + "p_code":"65", + "code":"66" }, { "desc":"Time-consuming SQL statements exist.On the Top 5 Time-Consuming Queries page directed from the Cluster Overview page, record the change of top 5 time-consuming queries.An", @@ -1166,8 +599,17 @@ "title":"Top Time-Consuming SQL Statements Viewing", "uri":"dws_01_01373.html", "doc_type":"usermanual", - "p_code":"128", - "code":"130" + "p_code":"65", + "code":"67" + }, + { + "desc":"This section describes how to check cluster metrics on Cloud Eye. By monitoring cluster running metrics, you can identify the time when the database cluster is abnormal a", + "product_code":"dws", + "title":"Monitoring Clusters Using Cloud Eye", + "uri":"dws_01_0022.html", + "doc_type":"usermanual", + "p_code":"41", + "code":"68" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -1175,8 +617,8 @@ "title":"Alarms", "uri":"dws_01_1240.html", "doc_type":"usermanual", - "p_code":"110", - "code":"131" + "p_code":"41", + "code":"69" }, { "desc":"Alarm management includes viewing and configuring alarm rules and subscribing to alarm information. Alarm rules display alarm statistics and details of the past week for ", @@ -1184,8 +626,8 @@ "title":"Alarm Management", "uri":"dws_01_1241.html", "doc_type":"usermanual", - "p_code":"131", - "code":"132" + "p_code":"69", + "code":"70" }, { "desc":"Concepts related to threshold alarmsAlarm rule: consists of the alarm rule name, rule description, clusters associated with the rule, alarm policy triggering relationship", @@ -1193,8 +635,8 @@ "title":"Alarm Rules", "uri":"dws_01_1242.html", "doc_type":"usermanual", - "p_code":"131", - "code":"133" + "p_code":"69", + "code":"71" }, { "desc":"You can subscribe to GaussDB(DWS) alarm notifications to receive notifications by SMS message, email, or application when an alarm of a specified severity is generated.To", @@ -1202,53 +644,566 @@ "title":"Alarm Subscriptions", "uri":"dws_01_1243.html", "doc_type":"usermanual", - "p_code":"131", - "code":"134" + "p_code":"69", + "code":"72" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", - "title":"Cluster Security Management", - "uri":"dws_01_0700.html", + "title":"Event Notifications", + "uri":"dws_01_0100.html", + "doc_type":"usermanual", + "p_code":"41", + "code":"73" + }, + { + "desc":"Events are records of changes in the user's cluster status. Events can be triggered by user operations (such as audit events), or may be caused by cluster service status ", + "product_code":"dws", + "title":"Event Notifications Overview", + "uri":"dws_01_0099.html", + "doc_type":"usermanual", + "p_code":"73", + "code":"74" + }, + { + "desc":"After subscribing to GaussDB(DWS) event notification, you will receive notifications by text message, email, or application when management, monitoring, or security event", + "product_code":"dws", + "title":"Subscribing to Event Notifications", + "uri":"dws_01_0101.html", + "doc_type":"usermanual", + "p_code":"73", + "code":"75" + }, + { + "desc":"This section describes how to search for events that occur in a cluster or snapshot.On the Events tab page, all events that occur in the clusters or snapshots are display", + "product_code":"dws", + "title":"Viewing Events", + "uri":"dws_01_0102.html", + "doc_type":"usermanual", + "p_code":"73", + "code":"76" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Specifications Change and Scaling", + "uri":"dws_01_0132.html", "doc_type":"usermanual", "p_code":"", - "code":"135" + "code":"77" }, { - "desc":"By default, the administrator specified when you create a GaussDB(DWS) cluster is the database system administrator. The administrator can create other users and view the", + "desc":"On the Nodes tab page, you can view the node list of the current cluster, add new nodes to or remove nodes from it, and view the node usage, status, and flavors. To modif", "product_code":"dws", - "title":"Configuring Separation of Permissions", - "uri":"dws_01_0074.html", + "title":"Managing Nodes", + "uri":"dws_01_0818.html", "doc_type":"usermanual", - "p_code":"135", - "code":"136" + "p_code":"77", + "code":"78" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", - "title":"Permissions", - "uri":"dws_01_0145.html", + "title":"Scaling Nodes", + "uri":"dws_01_0910.html", "doc_type":"usermanual", - "p_code":"135", - "code":"137" + "p_code":"77", + "code":"79" }, { - "desc":"An RBAC policy consists of a Version, a Statement, and Depends.When selecting a policy for a user group, click below the policy to view the details of the policy. The DW", + "desc":"When you need more compute and storage resources, add more nodes for cluster scale-out on the management console.After the data in a data warehouse is deleted, the occupi", "product_code":"dws", - "title":"RBAC Syntax of RBAC Policies", - "uri":"dws_01_0150.html", + "title":"Scaling Out a Cluster", + "uri":"dws_01_0023.html", "doc_type":"usermanual", - "p_code":"137", - "code":"138" + "p_code":"79", + "code":"80" }, { - "desc":"GaussDB(DWS) protects mission-critical operations. If you want to perform a mission-critical operation on the management console, you must enter a credential for identity", + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", - "title":"Protection for Mission-Critical Operations", - "uri":"dws_01_0701.html", + "title":"Cluster Redistribution", + "uri":"dws_01_0820.html", "doc_type":"usermanual", - "p_code":"135", - "code":"139" + "p_code":"79", + "code":"81" + }, + { + "desc":"Data redistribution, where data in existing nodes is evenly allocated to the new nodes after you scale out a cluster, is a time-consuming yet crucial task that accelerate", + "product_code":"dws", + "title":"Redistributing Data", + "uri":"dws_01_8201.html", + "doc_type":"usermanual", + "p_code":"81", + "code":"82" + }, + { + "desc":"On the View Redistribution Details page, you can view the redistribution mode and progress of the current cluster. In offline scheduling mode, you can pause, resume, and ", + "product_code":"dws", + "title":"Viewing Redistribution Details", + "uri":"dws_01_8202.html", + "doc_type":"usermanual", + "p_code":"81", + "code":"83" + }, + { + "desc":"You can scale in your clusters on the console to release unnecessary computing and storage resources provided by GaussDB(DWS).Before the scale-in, exit the client connect", + "product_code":"dws", + "title":"Scaling In a Cluster", + "uri":"dws_01_0821.html", + "doc_type":"usermanual", + "p_code":"79", + "code":"84" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Changing Specifications", + "uri":"dws_01_0911.html", + "doc_type":"usermanual", + "p_code":"77", + "code":"85" + }, + { + "desc":"If you only need to cope with occasional service peaks or only increase computing capabilities, you are advised to modify cluster specifications instead of adding nodes. ", + "product_code":"dws", + "title":"Changing the Node Flavor", + "uri":"dws_01_0829.html", + "doc_type":"usermanual", + "p_code":"85", + "code":"86" + }, + { + "desc":"If you want to change your cluster topology or capacity but the Change node flavor option is grayed out, you can select Change all specifications to increase or decrease ", + "product_code":"dws", + "title":"Changing All Specifications", + "uri":"dws_01_0825.html", + "doc_type":"usermanual", + "p_code":"85", + "code":"87" + }, + { + "desc":"In conventional scaling, compute and storage resources are coupled. If a company scales out disks, it has to add unnecessary CPUs and memory at the same time. The scaling", + "product_code":"dws", + "title":"Disk Capacity Expansion of an EVS Cluster", + "uri":"dws_01_0828.html", + "doc_type":"usermanual", + "p_code":"85", + "code":"88" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Backup and Disaster Recovery", + "uri":"dws_01_0161.html", + "doc_type":"usermanual", + "p_code":"", + "code":"89" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Snapshots", + "uri":"dws_01_0800.html", + "doc_type":"usermanual", + "p_code":"89", + "code":"90" + }, + { + "desc":"A snapshot is a full or incremental backup of a GaussDB(DWS) cluster at a specific point in time. It records the current database data and cluster information, including ", + "product_code":"dws", + "title":"Overview", + "uri":"dws_01_0151.html", + "doc_type":"usermanual", + "p_code":"90", + "code":"91" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Manual Snapshots", + "uri":"dws_01_0092.html", + "doc_type":"usermanual", + "p_code":"90", + "code":"92" + }, + { + "desc":"A cluster snapshot is a complete backup that records point-in-time configuration data and service data of a GaussDB(DWS) cluster. This section describes how to create a s", + "product_code":"dws", + "title":"Creating a Manual Snapshot", + "uri":"dws_01_0028.html", + "doc_type":"usermanual", + "p_code":"92", + "code":"93" + }, + { + "desc":"On the Snapshot Management page of the GaussDB(DWS) management console, you can delete an unwanted snapshot in the Unavailable state or delete an available snapshot to re", + "product_code":"dws", + "title":"Deleting a Manual Snapshot", + "uri":"dws_01_0030.html", + "doc_type":"usermanual", + "p_code":"92", + "code":"94" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Automated Snapshots", + "uri":"dws_01_1013.html", + "doc_type":"usermanual", + "p_code":"90", + "code":"95" + }, + { + "desc":"Automated snapshots adopt differential incremental backups. The automated snapshot created for the first time is a full backup (base version), and then the system creates", + "product_code":"dws", + "title":"Automatic Snapshot Overview", + "uri":"dws_01_10131.html", + "doc_type":"usermanual", + "p_code":"95", + "code":"96" + }, + { + "desc":"You can select a snapshot type and set one or more automated snapshot policies for a cluster. After an automated snapshot policy is enabled, the system automatically crea", + "product_code":"dws", + "title":"Configuring an Automated Snapshot Policy", + "uri":"dws_01_0089.html", + "doc_type":"usermanual", + "p_code":"95", + "code":"97" + }, + { + "desc":"This section describes how to copy snapshots that are automatically created for long-term retention.All snapshots are displayed by default. You can copy the snapshots tha", + "product_code":"dws", + "title":"Copying Automated Snapshots", + "uri":"dws_01_0085.html", + "doc_type":"usermanual", + "p_code":"95", + "code":"98" + }, + { + "desc":"Only GaussDB(DWS) can delete automated snapshots; you cannot delete them manually.GaussDB(DWS) deletes an automated snapshot if:The retention period of the snapshot ends.", + "product_code":"dws", + "title":"Deleting an Automated Snapshot", + "uri":"dws_01_10134.html", + "doc_type":"usermanual", + "p_code":"95", + "code":"99" + }, + { + "desc":"This section describes how to view snapshot information on the Snapshots page.In the snapshot list, all snapshots are displayed by default. Click next to the snapshot na", + "product_code":"dws", + "title":"Viewing Snapshot Information", + "uri":"dws_01_0021.html", + "doc_type":"usermanual", + "p_code":"90", + "code":"100" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Restoration Using a Snapshot", + "uri":"dws_01_1015.html", + "doc_type":"usermanual", + "p_code":"90", + "code":"101" + }, + { + "desc":"This section describes how to restore a snapshot to a new cluster when you want to check point-in-time snapshot data of the cluster.When a snapshot is restored to a new c", + "product_code":"dws", + "title":"Restoring a Snapshot to a New Cluster", + "uri":"dws_01_0029.html", + "doc_type":"usermanual", + "p_code":"101", + "code":"102" + }, + { + "desc":"You can use a snapshot to restore data to the original cluster. This function is used when a cluster is faulty or data needs to be rolled back to a specified snapshot ver", + "product_code":"dws", + "title":"Restoring a Snapshot to the Original Cluster", + "uri":"dws_01_00097.html", + "doc_type":"usermanual", + "p_code":"101", + "code":"103" + }, + { + "desc":"You can configure the parameters for creating and restoring a snapshot.This function supports only clusters 8.2.0 or later. In addition, ensure that the agent has been up", + "product_code":"dws", + "title":"Configuring a Snapshot", + "uri":"dws_01_1071.html", + "doc_type":"usermanual", + "p_code":"90", + "code":"104" + }, + { + "desc":"You can stop snapshot creation on the Snapshots page.This feature is supported only in version 8.1.3.200 and later.If the snapshot is ready to complete, the command for s", + "product_code":"dws", + "title":"Stopping Snapshot Creation", + "uri":"dws_01_1019.html", + "doc_type":"usermanual", + "p_code":"90", + "code":"105" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Cluster DR", + "uri":"dws_01_0080.html", + "doc_type":"usermanual", + "p_code":"89", + "code":"106" + }, + { + "desc":"A homogeneous GaussDB(DWS) disaster recovery (DR) cluster is deployed in another AZ. If the production cluster fails to provide read and write services due to natural dis", + "product_code":"dws", + "title":"DR Overview", + "uri":"dws_01_00081.html", + "doc_type":"usermanual", + "p_code":"106", + "code":"107" + }, + { + "desc":"PrerequisitesYou can create a DR task only when the cluster is in the Available or Unbalanced state.ProcedureType: Cross-AZ DRName: Enter 4 to 64 case-insensitive charact", + "product_code":"dws", + "title":"Creating a DR Task", + "uri":"dws_01_00082.html", + "doc_type":"usermanual", + "p_code":"106", + "code":"108" + }, + { + "desc":"On the page that is displayed, view the following information:DR Information: You can view the DR ID, DR name, DR creation time, and DR status.Production Cluster Informat", + "product_code":"dws", + "title":"Viewing DR Information", + "uri":"dws_01_00083.html", + "doc_type":"usermanual", + "p_code":"106", + "code":"109" + }, + { + "desc":"The DR status will change to Starting. The process will take some time. After the task is started, the DR status will change to Running.You can start a DR task that is in", + "product_code":"dws", + "title":"DR Management", + "uri":"dws_01_00084.html", + "doc_type":"usermanual", + "p_code":"106", + "code":"110" + }, + { + "desc":"After scale-out, the number of DNs in the production cluster must be the same as that in the DR cluster.", + "product_code":"dws", + "title":"Mutually Exclusive DR Cases", + "uri":"dws_01_00085.html", + "doc_type":"usermanual", + "p_code":"106", + "code":"111" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Intelligent O&M", + "uri":"dws_01_1160.html", + "doc_type":"usermanual", + "p_code":"", + "code":"112" + }, + { + "desc":"Intelligent O&M helps GaussDB(DWS) users with O&M tasks. With this feature, you can specify the proper time window and number of tasks to execute based on the cluster wor", + "product_code":"dws", + "title":"Overview", + "uri":"dws_01_1161.html", + "doc_type":"usermanual", + "p_code":"112", + "code":"113" + }, + { + "desc":"This configuration takes effect for the VACUUM FULL O&M tasks of all user tables.The concurrency value range is 1 to 24. Configure it based on the remaining disk space an", + "product_code":"dws", + "title":"O&M Plans", + "uri":"dws_01_1162.html", + "doc_type":"usermanual", + "p_code":"112", + "code":"114" + }, + { + "desc":"O&M Task: VacuumStatus:WaitingRunningFinishedCanceledWaitingRunningFinishedCanceledProgressRemaining Time WindowTime Window (UTC)Tables Being VacuumedTables to Be Vacuume", + "product_code":"dws", + "title":"O&M Status", + "uri":"dws_01_1163.html", + "doc_type":"usermanual", + "p_code":"112", + "code":"115" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Cluster Management", + "uri":"dws_01_0600.html", + "doc_type":"usermanual", + "p_code":"", + "code":"116" + }, + { + "desc":"After a cluster is created, you can modify the cluster's database parameters as required. On the GaussDB(DWS) management console, you can configure common database parame", + "product_code":"dws", + "title":"Modifying Database Parameters", + "uri":"dws_01_0152.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"117" + }, + { + "desc":"On the Clusters page of the GaussDB(DWS) management console, you can view the general information about a cluster in the cluster list, such as the cluster status, task in", + "product_code":"dws", + "title":"Checking the Cluster Status", + "uri":"dws_01_0020.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"118" + }, + { + "desc":"Log in to the GaussDB(DWS) management console. In the navigation tree on the left, click Clusters. In the cluster list, locate the required cluster and click its name. Th", + "product_code":"dws", + "title":"Viewing Cluster Details", + "uri":"dws_01_0112.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"119" + }, + { + "desc":"A domain name is a string of characters separated by dots to identify the location of a computer or a computer group on the Internet, for example, www.example.com. You ca", + "product_code":"dws", + "title":"Managing Access Domain Names", + "uri":"dws_01_0140.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"120" + }, + { + "desc":"A topology shows all the nodes in a cluster. You can check the node statuses, processes, and IP addresses.You can check the topology structure and node processes.Only clu", + "product_code":"dws", + "title":"Cluster Topology", + "uri":"dws_01_0159.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"121" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Managing Tags", + "uri":"dws_01_0103.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"122" + }, + { + "desc":"A tag is a key-value pair customized by users and used to identify cloud resources. It helps users to classify and search for cloud resources.Tags are composed of key-val", + "product_code":"dws", + "title":"Overview", + "uri":"dws_01_0104.html", + "doc_type":"usermanual", + "p_code":"122", + "code":"123" + }, + { + "desc":"This section describes how to search for clusters based on tags and how to add, modify, and delete tags for clusters.You can quickly locate a tagged cluster using tags.Yo", + "product_code":"dws", + "title":"Tag Management", + "uri":"dws_01_0105.html", + "doc_type":"usermanual", + "p_code":"122", + "code":"124" + }, + { + "desc":"An enterprise project is a cloud resource management mode. Enterprise Management provides users with comprehensive management in cloud-based resources, personnel, and per", + "product_code":"dws", + "title":"Managing Enterprise Projects", + "uri":"dws_01_0113.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"125" + }, + { + "desc":"If a cluster fails to be created, you can go to the Clusters page of the GaussDB(DWS) management console to view the cluster status and the cause of failure.For details a", + "product_code":"dws", + "title":"Managing Clusters That Fail to Be Created", + "uri":"dws_01_0073.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"126" + }, + { + "desc":"A cluster in read-only status does not allow write operations. You can remove this status on the management console. A cluster becomes read-only probably because of high ", + "product_code":"dws", + "title":"Removing the Read-only Status", + "uri":"dws_01_0035.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"127" + }, + { + "desc":"In the Unbalanced state, the number of primary instances on some nodes increases. As a result, the load pressure is high. In this case, the cluster is normal, but the ove", + "product_code":"dws", + "title":"Performing a Primary/Standby Switchback", + "uri":"dws_01_8115.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"128" + }, + { + "desc":"If a cluster is in the Unbalanced state or cannot work properly, you may need to restart it for restoration. After modifying a cluster's configurations, such as security ", + "product_code":"dws", + "title":"Cluster Restart", + "uri":"dws_01_0024.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"129" + }, + { + "desc":"GaussDB(DWS) allows you to reset the password of the database administrator. If a database administrator forgets their password or the account is locked because the numbe", + "product_code":"dws", + "title":"Resetting a Password", + "uri":"dws_01_0026.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"130" + }, + { + "desc":"After you create a data warehouse cluster, the system automatically configures a random maintenance window for the cluster. Alternatively, you can customize a maintenance", + "product_code":"dws", + "title":"Cluster Upgrade", + "uri":"dws_01_0008.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"131" + }, + { + "desc":"If the internal IP address or EIP of a CN is used to connect to a cluster, the failure of this CN will lead to cluster connection failure. If a private domain name is use", + "product_code":"dws", + "title":"Associating and Disassociating ELB", + "uri":"dws_01_0822.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"132" + }, + { + "desc":"After a cluster is created, the number of required CNs varies with service requirements. The CN management function enables you to adjust the number of CNs in the cluster", + "product_code":"dws", + "title":"Managing CNs", + "uri":"dws_01_7115.html", + "doc_type":"usermanual", + "p_code":"116", + "code":"133" + }, + { + "desc":"Cluster logs are collected and sent to Log Tank Service (LTS). You can check or dump the collected cluster logs on LTS.Currently, the following log types are supported:CN", + "product_code":"dws", + "title":"Cluster Log Management", + "uri":"dws_01_01111.html", + "doc_type":"usermanual", + "p_code":"", + "code":"134" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -1257,25 +1212,34 @@ "uri":"dws_01_0119.html", "doc_type":"usermanual", "p_code":"", - "code":"140" + "code":"135" }, { - "desc":"Tenant database audit logs:GaussDB(DWS) allows you to record the audit logs of specific operations, involving audit log retention policies, unauthorized access, as well a", + "desc":"GaussDB(DWS) provides database audit logs for users to query service logs, analyze problems, and learn product security and performance status.If the Security function is", "product_code":"dws", - "title":"Overview", + "title":"Audit Log Overview", "uri":"dws_01_1911.html", "doc_type":"usermanual", - "p_code":"140", - "code":"141" + "p_code":"135", + "code":"136" }, { - "desc":"This section is organized as follows:Enabling CTSDisabling the Audit Log FunctionKey OperationsViewing TracesA tracker will be automatically created after CTS is enabled.", + "desc":"A tracker will be automatically created after CTS is enabled. All traces recorded by CTS are associated with a tracker. Currently, only one tracker can be created for eac", "product_code":"dws", - "title":"Viewing Audit Logs of Key Operations on the Management Console", + "title":"Management Console Audit Logs", "uri":"dws_01_0118.html", "doc_type":"usermanual", - "p_code":"140", - "code":"142" + "p_code":"135", + "code":"137" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Database Audit Logs", + "uri":"dws_01_0184.html", + "doc_type":"usermanual", + "p_code":"135", + "code":"138" }, { "desc":"Database audit logs are configured on the Security Settings page. You can change security settings only when the cluster status is Available and Unbalanced, and Task Info", @@ -1283,8 +1247,8 @@ "title":"Configuring the Database Audit Logs", "uri":"dws_01_0075.html", "doc_type":"usermanual", - "p_code":"140", - "code":"143" + "p_code":"138", + "code":"139" }, { "desc":"GaussDB(DWS) records information (audit logs) about connections and user activities in your database. With the information, you can monitor the database to ensure securit", @@ -1292,566 +1256,1088 @@ "title":"Dumping the Database Audit Logs", "uri":"dws_01_0142.html", "doc_type":"usermanual", - "p_code":"140", + "p_code":"138", + "code":"140" + }, + { + "desc":"The audit function has been enabled by setting audit_enabled. The default value of audit_enabled is ON. If audit_enabled is disabled, set it to ON by referring to Modifyi", + "product_code":"dws", + "title":"Viewing Database Audit Logs", + "uri":"dws_01_0183.html", + "doc_type":"usermanual", + "p_code":"138", + "code":"141" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Cluster Security Management", + "uri":"dws_01_0700.html", + "doc_type":"usermanual", + "p_code":"", + "code":"142" + }, + { + "desc":"By default, the administrator specified when you create a GaussDB(DWS) cluster is the database system administrator. The administrator can create other users and view the", + "product_code":"dws", + "title":"Configuring Separation of Permissions", + "uri":"dws_01_0074.html", + "doc_type":"usermanual", + "p_code":"142", + "code":"143" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Permissions", + "uri":"dws_01_0145.html", + "doc_type":"usermanual", + "p_code":"142", "code":"144" }, + { + "desc":"In actual services, you may need to grant different operation permissions on resources to users of different roles. The IAM service provides fine-grained access control. ", + "product_code":"dws", + "title":"Syntax of Fine-Grained Permissions Policies", + "uri":"dws_01_0149.html", + "doc_type":"usermanual", + "p_code":"144", + "code":"145" + }, + { + "desc":"An RBAC policy consists of a Version, a Statement, and Depends.When selecting a policy for a user group, click below the policy to view the details of the policy. The DW", + "product_code":"dws", + "title":"RBAC Syntax of RBAC Policies", + "uri":"dws_01_0150.html", + "doc_type":"usermanual", + "p_code":"144", + "code":"146" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Resource Management", + "uri":"dws_01_0723.html", + "doc_type":"usermanual", + "p_code":"", + "code":"147" + }, + { + "desc":"The system resources (CPU, memory, I/O, and storage resources) of a database are limited. When multiple types of services (such as data loading, batch analysis, and real-", + "product_code":"dws", + "title":"Overview", + "uri":"dws_01_1510.html", + "doc_type":"usermanual", + "p_code":"147", + "code":"148" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Resource Pool", + "uri":"dws_01_0729.html", + "doc_type":"usermanual", + "p_code":"147", + "code":"149" + }, + { + "desc":"GaussDB(DWS) resource pools provide concurrency management, memory management, CPU management, and exception rules.Concurrency represents the maximum number of concurrent", + "product_code":"dws", + "title":"Feature Description", + "uri":"dws_01_1512.html", + "doc_type":"usermanual", + "p_code":"149", + "code":"150" + }, + { + "desc":"On the resource management page, you can modify global resource management configurations; add, create, and modify resource queues; add database users to a resource pool;", + "product_code":"dws", + "title":"Page Overview", + "uri":"dws_01_07231.html", + "doc_type":"usermanual", + "p_code":"149", + "code":"151" + }, + { + "desc":"Up to 63 resource pools can be created.Only 8.1.3 and later versions support the CPU limit management.", + "product_code":"dws", + "title":"Creating a Resource Pool", + "uri":"dws_01_07233.html", + "doc_type":"usermanual", + "p_code":"149", + "code":"152" + }, + { + "desc":"You can modify the parameters of a resource pool on the resource management page.Click Edit on the right and modify the parameters. For more information, see Resource poo", + "product_code":"dws", + "title":"Modifying a Resource Pool", + "uri":"dws_01_07234.html", + "doc_type":"usermanual", + "p_code":"149", + "code":"153" + }, + { + "desc":"After a resource pool is deleted, the users (if any) associated with this pool will be associated with the default resource pool instead.", + "product_code":"dws", + "title":"Deleting a Resource Pool", + "uri":"dws_01_07239.html", + "doc_type":"usermanual", + "p_code":"149", + "code":"154" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Resource Management Plan", + "uri":"dws_01_1511.html", + "doc_type":"usermanual", + "p_code":"147", + "code":"155" + }, + { + "desc":"The resource management plan is an advanced resource management feature provided by GaussDB(DWS). You can create a resource management plan, add multiple stages to the pl", + "product_code":"dws", + "title":"Managing Resource Management Plans", + "uri":"dws_01_72362.html", + "doc_type":"usermanual", + "p_code":"155", + "code":"156" + }, + { + "desc":"The following conditions must be met when you add or modify a resource management plan:The total CPU share of all resource pools does not exceed 99%.The total CPU limit o", + "product_code":"dws", + "title":"Managing Resource Management Plan Stages", + "uri":"dws_01_72363.html", + "doc_type":"usermanual", + "p_code":"155", + "code":"157" + }, + { + "desc":"Configurations cannot be imported to a running resource management plan.Ensure there is a resource pool before import.", + "product_code":"dws", + "title":"Importing or Exporting a Resource Management Plan", + "uri":"dws_01_72365.html", + "doc_type":"usermanual", + "p_code":"155", + "code":"158" + }, + { + "desc":"Your cluster may run out of space if disk usage is not controlled, resulting in cluster exceptions and service interruption. Once disks are full, it takes long and huge e", + "product_code":"dws", + "title":"Workspace Management", + "uri":"dws_01_72366.html", + "doc_type":"usermanual", + "p_code":"147", + "code":"159" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Data Source Management", + "uri":"dws_01_1601.html", + "doc_type":"usermanual", + "p_code":"", + "code":"160" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"MRS Data Sources", + "uri":"dws_01_0057.html", + "doc_type":"usermanual", + "p_code":"160", + "code":"161" + }, + { + "desc":"MRS is a big data cluster running based on the open-source Hadoop ecosystem. It provides the industry's latest cutting-edge storage and analysis capabilities of massive v", + "product_code":"dws", + "title":"Importing Data from MRS to GaussDB(DWS)", + "uri":"dws_01_0055.html", + "doc_type":"usermanual", + "p_code":"161", + "code":"162" + }, + { + "desc":"Before GaussDB(DWS) reads data from MRS HDFS, you need to create an MRS data source connection that functions as a channel of transporting data warehouse cluster data and", + "product_code":"dws", + "title":"Creating an MRS Data Source Connection", + "uri":"dws_01_0059.html", + "doc_type":"usermanual", + "p_code":"161", + "code":"163" + }, + { + "desc":"For MRS, if the following parameter configurations of the HDFS cluster change, data may fail to be imported to the data warehouse cluster from the HDFS cluster. Before im", + "product_code":"dws", + "title":"Updating the MRS Data Source Configuration", + "uri":"dws_01_0156.html", + "doc_type":"usermanual", + "p_code":"161", + "code":"164" + }, + { + "desc":"GaussDB(DWS) allows you to access data on OBS by using an agency. You can create a GaussDB(DWS) agency, grant the OBS OperateAccess or OBS Administrator permission to the", + "product_code":"dws", + "title":"Managing OBS Data Sources", + "uri":"dws_01_1602.html", + "doc_type":"usermanual", + "p_code":"160", + "code":"165" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Managing Logical Clusters", + "uri":"dws_01_0724.html", + "doc_type":"usermanual", + "p_code":"", + "code":"166" + }, + { + "desc":"A physical cluster can be divided into logical clusters that use the node-group mechanism. Tables in a database can be allocated to different physical nodes by logical cl", + "product_code":"dws", + "title":"Overview", + "uri":"dws_01_7241.html", + "doc_type":"usermanual", + "p_code":"166", + "code":"167" + }, + { + "desc":"If you access the Logical Clusters page for the first time, the metadata of the logical cluster created at the backend is synchronized to the frontend. After the synchron", + "product_code":"dws", + "title":"Adding Logical Clusters", + "uri":"dws_01_7242.html", + "doc_type":"usermanual", + "p_code":"166", + "code":"168" + }, + { + "desc":"Nodes are added to or removed from a logical cluster by ring.At least one ring must be reserved in a logical cluster.The ring removed from the logical cluster will be add", + "product_code":"dws", + "title":"Editing Logical Clusters", + "uri":"dws_01_7243.html", + "doc_type":"usermanual", + "p_code":"166", + "code":"169" + }, + { + "desc":"The first added logical cluster cannot be deleted.Nodes of the deleted logical cluster are added to the elastic cluster.", + "product_code":"dws", + "title":"Deleting Logical Clusters", + "uri":"dws_01_7244.html", + "doc_type":"usermanual", + "p_code":"166", + "code":"170" + }, + { + "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", + "product_code":"dws", + "title":"Restarting Logical Clusters", + "uri":"dws_01_7245.html", + "doc_type":"usermanual", + "p_code":"166", + "code":"171" + }, + { + "desc":"Logical clusters of version 8.1.3 and later support online scale-out.Before a scale-out, you need to enable the logical cluster mode and add a logical cluster.After scali", + "product_code":"dws", + "title":"Scaling Out Logical Clusters", + "uri":"dws_01_7246.html", + "doc_type":"usermanual", + "p_code":"166", + "code":"172" + }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", "title":"FAQs", "uri":"dws_03_0061.html", - "doc_type":"usermanual", + "doc_type":"faq", "p_code":"", - "code":"145" + "code":"173" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", "title":"General Problems", "uri":"dws_03_0001.html", - "doc_type":"usermanual", - "p_code":"145", - "code":"146" + "doc_type":"faq", + "p_code":"173", + "code":"174" }, { "desc":"Much data (orders, stocks, materials, and payments) is generated in the business operation systems and background (transactional) database of enterprises.Decision makers ", "product_code":"dws", "title":"Why Are Data Warehouses Necessary?", "uri":"dws_03_0003.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"147" + "doc_type":"faq", + "p_code":"174", + "code":"175" }, { "desc":"The Hadoop big data platform can be regarded as a next-generation data warehousing system. It has the characteristics of modern data warehouses and is widely used by ente", "product_code":"dws", "title":"What Are the Differences Between a Data Warehouse and the Hadoop Big Data Platform?", "uri":"dws_03_0005.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"148" + "doc_type":"faq", + "p_code":"174", + "code":"176" }, { "desc":"Conventional data warehouses are not practical for smaller enterprises due to high cost, time-consuming device and system selection and procurement, and complex scale-out", "product_code":"dws", "title":"Why Should I Use Public Cloud GaussDB(DWS)?", "uri":"dws_03_0006.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"149" + "doc_type":"faq", + "p_code":"174", + "code":"177" }, { "desc":"Both allow you to run conventional relational databases on the cloud and transfer database management loads. RDS databases are useful for OLTP, reporting, and analysis, b", "product_code":"dws", "title":"Should I Choose Public Cloud GaussDB(DWS) or RDS?", "uri":"dws_03_0009.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"150" + "doc_type":"faq", + "p_code":"174", + "code":"178" }, { "desc":"MRS works better with big data processing frameworks such as Apache Spark, Hadoop, and HBase, to process and analyze ultra-large data sets through custom code. It allows ", "product_code":"dws", "title":"When Should I Use GaussDB(DWS) and MRS?", "uri":"dws_03_0010.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"151" + "doc_type":"faq", + "p_code":"174", + "code":"179" }, { - "desc":"No. Although SQL on OBS of GaussDB(DWS) can be used for GaussDB(DWS) and OBS data query, it cannot replace the processing frameworks of MRS.Apart from SQL query, MRS also", - "product_code":"dws", - "title":"Can GaussDB(DWS) SQL on OBS Replace MRS?", - "uri":"dws_03_0011.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"152" - }, - { - "desc":"GaussDB(DWS) and Hive have different functions in the following aspects:Hive is a data warehouse based on Hadoop MapReduce. GaussDB(DWS) is a data warehouse based on Post", - "product_code":"dws", - "title":"What Are the Differences Between GaussDB(DWS) and Hive in Functions?", - "uri":"dws_03_0037.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"153" - }, - { - "desc":"For cloud services, quotas limit the number of resources available to users. If you need more, submit a service ticket to increase your quotas. Once approved, we will upd", + "desc":"For CLOUD services, quotas limit the number of resources available to users. If you need more, submit a service ticket to increase your quotas. Once approved, we will upd", "product_code":"dws", "title":"What Is the User Quota?", "uri":"dws_03_0034.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"154" + "doc_type":"faq", + "p_code":"174", + "code":"180" }, { "desc":"Users and roles are shared within the entire cluster, but their data is not shared. That is, a user can connect to any database, but after the connection is successful, a", "product_code":"dws", "title":"What Are the Differences Between Users and Roles?", "uri":"dws_03_0067.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"155" + "doc_type":"faq", + "p_code":"174", + "code":"181" + }, + { + "desc":"Method 1:When you create a GaussDB(DWS) database user, if the time when the user takes effect (VALID BEGIN) is the same as the creation time of the user, and the time whe", + "product_code":"dws", + "title":"How Do I Check the Creation Time of a Database User?", + "uri":"dws_03_0063.html", + "doc_type":"faq", + "p_code":"174", + "code":"182" }, { "desc":"A region and availability zone (AZ) identify the location of a data center. You can create resources in regions and AZs.A region is a physical data center. Each region is", "product_code":"dws", "title":"Regions and AZs", "uri":"dws_03_0052.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"156" + "doc_type":"faq", + "p_code":"174", + "code":"183" }, { "desc":"Yes. In the big data era, data has become a core asset. The public cloud will adhere to the commitment made over the years that we do not touch your applications or data,", "product_code":"dws", "title":"Is My Data Secure in GaussDB(DWS)?", "uri":"dws_03_0022.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"157" + "doc_type":"faq", + "p_code":"174", + "code":"184" }, { "desc":"GaussDB(DWS) uses IAM and VPC to control user access and isolate cluster network. Cluster access is over SSL and cipher suite. Additionally, GaussDB(DWS) supports two-way", "product_code":"dws", "title":"How Is GaussDB(DWS) Secured?", "uri":"dws_03_0023.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"158" + "doc_type":"faq", + "p_code":"174", + "code":"185" }, { "desc":"Yes. When a data warehouse cluster is created, its security group cannot be changed. However, you can add, delete, or modify rules of the current security group.To edit t", "product_code":"dws", "title":"Can I Modify the Security Group of a GaussDB(DWS) Cluster?", "uri":"dws_03_0053.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"159" + "doc_type":"faq", + "p_code":"174", + "code":"186" }, { - "desc":"The evolving Internet and IoT produce massive volumes of data. This data needs to be managed, using concepts like database, data warehouse, data lake, and lakehouse. Here", + "desc":"The evolving Internet and IoT produce massive volumes of data. This data needs to be managed, using concepts like database, data warehouse, data lake, and lakehouse. What", "product_code":"dws", "title":"What Is a Database/Data Warehouse/Data Lake/Lakehouse?", "uri":"dws_03_2121.html", - "doc_type":"usermanual", - "p_code":"146", - "code":"160" + "doc_type":"faq", + "p_code":"174", + "code":"187" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", "title":"Cluster Management", "uri":"dws_03_0029.html", - "doc_type":"usermanual", - "p_code":"145", - "code":"161" + "doc_type":"faq", + "p_code":"173", + "code":"188" }, { "desc":"Check that you have enough quota for creating the cluster.Call the Customer Hotline for support.Telephone:Germany: 0800 330 44 44International: +800 44556600", "product_code":"dws", "title":"What Do I Do If Creating a GaussDB(DWS) Cluster Failed?", "uri":"dws_03_0016.html", - "doc_type":"usermanual", - "p_code":"161", - "code":"162" + "doc_type":"faq", + "p_code":"188", + "code":"189" }, { - "desc":"Cluster patching or upgrading is automatic because GaussDB(DWS) upgrades its own version.For service patch:Duration: less than 10 minutesImpact on services: 1 to 3 minute", + "desc":"After you delete data stored in GaussDB(DWS) data warehouses, dirty data may be generated possibly because the disk space is not released. This results in disk space wast", "product_code":"dws", - "title":"How Can I Upgrade or Downgrade GaussDB(DWS)?", - "uri":"dws_03_0031.html", - "doc_type":"usermanual", - "p_code":"161", - "code":"163" - }, - { - "desc":"After you delete data stored in GaussDB(DWS) data warehouses, dirty data may be generated from the unreleased disk space. This results in space waste and deteriorates sna", - "product_code":"dws", - "title":"How Can I Clear and Reclaim Storage?", + "title":"How Can I Clear and Reclaim the Storage Space?", "uri":"dws_03_0033.html", - "doc_type":"usermanual", - "p_code":"161", - "code":"164" + "doc_type":"faq", + "p_code":"188", + "code":"190" }, { "desc":"If you do not run VACUUM to clear and reclaim the storage space before the scale-out, the data deleted from GaussDB(DWS) may not free up the occupied disk space.During th", "product_code":"dws", - "title":"Why Did the Used Storage Reduce After Scale-out?", + "title":"Why Did the Used Storage Shrink After Scale-out?", "uri":"dws_03_0054.html", - "doc_type":"usermanual", - "p_code":"161", - "code":"165" + "doc_type":"faq", + "p_code":"188", + "code":"191" }, { "desc":"You can view the used capacity of a cluster CPU, memory, and disks on the Cloud Eye management console. Perform the following steps to view the information:", "product_code":"dws", "title":"How Do I View Node Metrics (CPU, Memory, and Disk Usage)?", "uri":"dws_03_0104.html", - "doc_type":"usermanual", - "p_code":"161", - "code":"166" + "doc_type":"faq", + "p_code":"188", + "code":"192" }, { - "desc":"A cluster with three data nodes of 320 GB each has a total capacity of 960 GB. When 1 GB data is stored, GaussDB(DWS) stores 1 GB data on two nodes due to duplication, a ", + "desc":"Total disk capacity of GaussDB (DWS): For a three-node cluster, if each node is 320 GB, the total capacity is 960 GB. When 1 GB data is stored, GaussDB(DWS) stores 1 GB d", "product_code":"dws", "title":"How Is the Disk Space or Capacity of GaussDB(DWS) Calculated?", "uri":"dws_03_0090.html", - "doc_type":"usermanual", - "p_code":"161", - "code":"167" + "doc_type":"faq", + "p_code":"188", + "code":"193" + }, + { + "desc":"The gaussdb and postgres databases are built-in databases of GaussDB(DWS). You can create schemas and tables in them. However, you are advised to recreate a database and ", + "product_code":"dws", + "title":"What Are the gaussdb and postgres Databases of GaussDB(DWS)?", + "uri":"dws_03_2119.html", + "doc_type":"faq", + "p_code":"188", + "code":"194" + }, + { + "desc":"After connecting to a database, run the following SQL statement to check the maximum number of concurrent sessions globally:Go to the Cloud Eye console and set the thresh", + "product_code":"dws", + "title":"How Do I Set the Maximum Number of Sessions When Adding an Alarm Rule on Cloud Eye?", + "uri":"dws_03_2122.html", + "doc_type":"faq", + "p_code":"188", + "code":"195" + }, + { + "desc":"CN is short for Coordinator Node. A CN is an important component of GaussDB(DWS) and is closely related to users. It provides interfaces to external applications, optimiz", + "product_code":"dws", + "title":"When Should I Add CNs or Scale out a cluster?", + "uri":"dws_03_2140.html", + "doc_type":"faq", + "p_code":"188", + "code":"196" + }, + { + "desc":"Small-flavor many-node:If your data volume is small and you have requirement for node scaling, but you have limited budget, you can select a small-flavor many-node cluste", + "product_code":"dws", + "title":"How Should I Select from a Small-Flavor Many-Node Cluster and a Large-Flavor Three-Node Cluster with Same CPU Cores and Memory?", + "uri":"dws_03_3416.html", + "doc_type":"faq", + "p_code":"188", + "code":"197" + }, + { + "desc":"The biggest difference between hot data storage and cold data storage lies in the storage media.Hot data is frequently queried or updated and has high requirements on acc", + "product_code":"dws", + "title":"What Are the Differences Between Hot Data Storage and Cold Data Storage?", + "uri":"dws_03_2142.html", + "doc_type":"faq", + "p_code":"188", + "code":"198" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", "title":"Database Connections", "uri":"dws_03_0024.html", - "doc_type":"usermanual", - "p_code":"145", - "code":"168" + "doc_type":"faq", + "p_code":"173", + "code":"199" + }, + { + "desc":"For applications to communicate with GaussDB(DWS), make sure the networks between them are connected. The following table lists common connection scenarios.To ensure low ", + "product_code":"dws", + "title":"How Applications Communicate with GaussDB(DWS)?", + "uri":"dws_03_2132.html", + "doc_type":"faq", + "p_code":"199", + "code":"200" }, { "desc":"Yes, but GaussDB(DWS) clients and drivers are recommended. Unlike open-source PostgreSQL clients and drivers, GaussDB(DWS) clients and drivers have two key advantages:Sec", "product_code":"dws", "title":"Does GaussDB(DWS) Support Third-Party Clients and JDBC and ODBC Drivers?", "uri":"dws_03_0017.html", - "doc_type":"usermanual", - "p_code":"168", - "code":"169" + "doc_type":"faq", + "p_code":"199", + "code":"201" }, { "desc":"No, direct access is not supported. VMs at the bottom layer of GaussDB(DWS) serve as the compute nodes for data analysis. Access cluster databases using the private or pu", "product_code":"dws", "title":"Can I Connect to GaussDB(DWS) Cluster Nodes Using SSH?", "uri":"dws_03_0040.html", - "doc_type":"usermanual", - "p_code":"168", - "code":"170" + "doc_type":"faq", + "p_code":"199", + "code":"202" }, { "desc":"Check:Whether the cluster status is normal.Whether the connection command, username, password, IP address, and port are correct.Whether the operating system type and vers", "product_code":"dws", "title":"What Should I Do If I Cannot Connect to a Data Warehouse Cluster?", "uri":"dws_03_0014.html", - "doc_type":"usermanual", - "p_code":"168", - "code":"171" + "doc_type":"faq", + "p_code":"199", + "code":"203" }, { "desc":"After the EIP is unbound, the network may be disconnected. However, the TCP layer does not detect a faulty physical connection in time due to keepalive settings. As a res", "product_code":"dws", "title":"Why Was I Not Notified of Failure Unbinding the EIP When GaussDB(DWS) Is Connected Over the Internet?", "uri":"dws_03_0025.html", - "doc_type":"usermanual", - "p_code":"168", - "code":"172" - }, - { - "desc":"Resources in different AZs of the same region can communicate with each other directly if they belong to the same VPC.For resources in different AZs of the same region bu", - "product_code":"dws", - "title":"How Can a Data Warehouse and a Database in Different AZs of the Same Region Communicate?", - "uri":"dws_03_0169.html", - "doc_type":"usermanual", - "p_code":"168", - "code":"173" - }, - { - "desc":"If BI applications, client ECS, and DGC need to communicate with GaussDB(DWS), they must be in the same region and VPC as the GaussDB(DWS) cluster (different subnets are ", - "product_code":"dws", - "title":"Do I Need the Same VPC and Subnet to Connect to a GaussDB(DWS) Cluster?", - "uri":"dws_03_2125.html", - "doc_type":"usermanual", - "p_code":"168", - "code":"174" + "doc_type":"faq", + "p_code":"199", + "code":"204" }, { "desc":"You can also log in to the VPC management console to manually create a security group. Then, go back to the page for creating data warehouse clusters, click the button n", "product_code":"dws", "title":"How Do I Configure a Whitelist to Protect Clusters Available Through a Public IP Address?", "uri":"dws_03_2130.html", - "doc_type":"usermanual", - "p_code":"168", - "code":"175" + "doc_type":"faq", + "p_code":"199", + "code":"205" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", "title":"Data Import and Export", "uri":"dws_03_0026.html", - "doc_type":"usermanual", - "p_code":"145", - "code":"176" + "doc_type":"faq", + "p_code":"173", + "code":"206" }, { - "desc":"The file formats supported by OBS and GDS foreign tables are as follows:OBS file formats: CSV, TEXT, ORC, and CARBONDATA. The default format is TEXT.GDS file formats: CSV", + "desc":"The file formats supported by OBS and GDS foreign tables are as follows:OBS supports ORC, TEXT, JSON, CSV, CARBONDATA and PARQUET file formats for data import and ORC, CS", "product_code":"dws", "title":"What Are the Differences Between Data Formats Supported by OBS and GDS Foreign Tables?", "uri":"dws_03_0018.html", - "doc_type":"usermanual", - "p_code":"176", - "code":"177" + "doc_type":"faq", + "p_code":"206", + "code":"207" }, { - "desc":"GaussDB(DWS) supports efficient data import from multiple data sources. The following lists typical data import modes. For details, see \"Import Modes\" in the Data Warehou", + "desc":"When you use an OBS foreign table to import data, INSERT imports the data to a local physical table. When OBS data is updated, you do not need to run the INSERTstatement ", + "product_code":"dws", + "title":"How Do I Import Incremental Data Using an OBS Foreign Table?", + "uri":"dws_03_0069.html", + "doc_type":"faq", + "p_code":"206", + "code":"208" + }, + { + "desc":"GaussDB(DWS) supports efficient data import from multiple data sources. The following lists typical data import modes. For details, see section \"Importing Data\" in the Da", "product_code":"dws", "title":"How Can I Import Data to GaussDB(DWS)?", "uri":"dws_03_0027.html", - "doc_type":"usermanual", - "p_code":"176", - "code":"178" + "doc_type":"faq", + "p_code":"206", + "code":"209" }, { - "desc":"Each node in a data warehouse cluster has a default storage capacity of 160 GB, 256 GB, 1.6 TB, 1.8 TB, or 13 TB. A cluster can house 3 to 32 nodes and the total storage ", + "desc":"Each node in a data warehouse cluster has a default storage capacity of160 GB, 256 GB, 1.6 TB, 1.8 TB, or 13 TB. A cluster can house 3 to 256 nodes and the total storage ", "product_code":"dws", "title":"How Much Service Data Can a Data Warehouse Store?", "uri":"dws_03_0028.html", - "doc_type":"usermanual", - "p_code":"176", - "code":"179" + "doc_type":"faq", + "p_code":"206", + "code":"210" }, { "desc":"GaussDB(DWS) is a fully managed service on the cloud. Users cannot log in to the background to import or export data by using COPY, so the COPY syntax is disabled. You ar", "product_code":"dws", "title":"How Do I Use \\Copy to Import and Export Data?", "uri":"dws_03_0073.html", - "doc_type":"usermanual", - "p_code":"176", - "code":"180" + "doc_type":"faq", + "p_code":"206", + "code":"211" }, { - "desc":"No, GaussDB(DWS) does not support OBS data import or export across regions. The GaussDB(DWS) cluster and OBS must be in the same region.", + "desc":"To import data from database A (UTF8) to database B (GBK), there may be a character set mismatch error which causes the data import to fail.To import a small amount of da", + "product_code":"dws", + "title":"How Do I Implement Fault Tolerance Import Between Different Encoding Libraries", + "uri":"dws_03_0080.html", + "doc_type":"usermanual", + "p_code":"206", + "code":"212" + }, + { + "desc":"No. No, GaussDB(DWS) does not support OBS data import or export across regions. The GaussDB(DWS) cluster and OBS must be in the same region.", "product_code":"dws", "title":"Can I Export GaussDB(DWS) Data from/to OBS Across Regions?", "uri":"dws_03_0102.html", - "doc_type":"usermanual", - "p_code":"176", - "code":"181" + "doc_type":"faq", + "p_code":"206", + "code":"213" }, { - "desc":"To import heterogeneous data to GaussDB(DWS), use CDM to migrate the entire MySQL or SQL Server database. Or migrate the entire GaussDB(DWS) database to another GaussDB(D", + "desc":"Heterogeneous data can be imported to GaussDB(DWS) using CDM. You can migrate an entire Oracle, MySQL, SQL Server, or GaussDB(DWS) database to a GaussDB(DWS) databse. For", "product_code":"dws", "title":"How Do I Import GaussDB(DWS)/Oracle/MySQL/SQL Server Data to GaussDB(DWS) (Whole Database Migration)?", "uri":"dws_03_0074.html", - "doc_type":"usermanual", - "p_code":"176", - "code":"182" + "doc_type":"faq", + "p_code":"206", + "code":"214" }, { "desc":"No. The GDS server and GaussDB(DWS) can only communicate with each other on the intranet. Each DN in the GaussDB(DWS) cluster is used to connect to the GDS server in para", "product_code":"dws", "title":"Can I Import Data over the Public/External Network Using GDS?", "uri":"dws_03_0105.html", - "doc_type":"usermanual", - "p_code":"176", - "code":"183" + "doc_type":"faq", + "p_code":"206", + "code":"215" + }, + { + "desc":"The GaussDB(DWS) import performance is affected by the following factors:Cluster specifications: disk I/O, network throughput, memory, and CPU specificationsService plann", + "product_code":"dws", + "title":"Which Are the Factors That Affect GaussDB(DWS) Import Performance?", + "uri":"dws_03_1549.html", + "doc_type":"faq", + "p_code":"206", + "code":"216" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", "title":"Account, Password, and Permissions", "uri":"dws_03_0110.html", - "doc_type":"usermanual", - "p_code":"145", - "code":"184" + "doc_type":"faq", + "p_code":"173", + "code":"217" }, { - "desc":"To change the password of the database administrator dbadmin, log in to the console and choose More > Reset Password in cluster row.For security, the following two parame", + "desc":"In GaussDB(DWS), you can isolate workloads through database and schema configurations. Their differences are as follows:Databases cannot communicate with each other and s", "product_code":"dws", - "title":"How Do I Change My Expired Database Password?", + "title":"How Does GaussDB(DWS) Implement Workload Isolation?", + "uri":"dws_03_0200.html", + "doc_type":"faq", + "p_code":"217", + "code":"218" + }, + { + "desc":"To change the password of the database administrator dbadmin, log in to the console and choose More > Reset Password in cluster row.Resetting the password of user dbadmin", + "product_code":"dws", + "title":"How Do I Change the Password of a Database Account When the Password Expires?", "uri":"dws_03_0092.html", - "doc_type":"usermanual", - "p_code":"184", - "code":"185" + "doc_type":"faq", + "p_code":"217", + "code":"219" }, { - "desc":"To view the user list, query the PG_USER view.SELECT * FROM pg_user;To view user attributes, query the PG_AUTHID system catalog.SELECT * FROM pg_authid;Query the permissi", - "product_code":"dws", - "title":"How Do I View All Database Users and Their Permissions?", - "uri":"dws_03_0095.html", - "doc_type":"usermanual", - "p_code":"184", - "code":"186" - }, - { - "desc":"This section describes how to grant users the SELECT, INSERT, UPDATE, or full permissions for tables.Assume there are users u1, u2, u3, u4, and u5 and five schemas named ", + "desc":"This section describes how to grant users the SELECT, INSERT, UPDATE, or full permissions of tables to users.Assume there are users u1, u2, u3, u4, and u5 and five schema", "product_code":"dws", "title":"How Do I Grant Table Permissions to a User?", "uri":"dws_03_0197.html", - "doc_type":"usermanual", - "p_code":"184", - "code":"187" + "doc_type":"faq", + "p_code":"217", + "code":"220" }, { - "desc":"This section describes how to grant the query permission for a schema as an example. For more information, see \"How Do I Grant Table Permissions to a User?\" in FAQ. You ", + "desc":"This section describes how to grant the query permission for a schema as an example. For more information, see \"How Do I Grant Table Permissions to a User?\" in FAQs:Perm", "product_code":"dws", "title":"How Do I Grant Schema Permissions to a User?", "uri":"dws_03_0196.html", - "doc_type":"usermanual", - "p_code":"184", - "code":"188" + "doc_type":"faq", + "p_code":"217", + "code":"221" }, { - "desc":"GaussDB(DWS) provides an implicitly defined group public that contains all roles. By default, all new users and roles have the permissions of public. To revoke permission", + "desc":"In service development, database administrators use schemas to classify data. For example, in the financial industry, liability data belong to schema s1, and asset data b", + "product_code":"dws", + "title":"How Do I Create a Database Read-only User?", + "uri":"dws_03_0198.html", + "doc_type":"usermanual", + "p_code":"217", + "code":"222" + }, + { + "desc":"The system administrator dbadmin has the permission to access tables created by common users by default. When Separation of Permissions is enabled, the administrator dbad", + "product_code":"dws", + "title":"How Do I Create Private Database Users and Tables?", + "uri":"dws_03_0199.html", + "doc_type":"usermanual", + "p_code":"217", + "code":"223" + }, + { + "desc":"In a service, the permission of user u1 to connect to a database needs to be revoked. After the REVOKE CONNECT ON DATABASE gaussdb FROM u1; command is executed successful", "product_code":"dws", "title":"How Do I Revoke the CONNECT ON DATABASE Permission from a User?", "uri":"dws_03_0195.html", + "doc_type":"faq", + "p_code":"217", + "code":"224" + }, + { + "desc":"Scenario 1: Run theinformation_schema.table_privilegescommand to view the table permissions of a user. Example:In the preceding figure, user u2 has all permissions of tab", + "product_code":"dws", + "title":"How Do I View the Table Permissions of a User?", + "uri":"dws_03_0201.html", "doc_type":"usermanual", - "p_code":"184", - "code":"189" + "p_code":"217", + "code":"225" + }, + { + "desc":"When you run the SELECT * FROM pg_user statement to view users in the current system, you may see user Ruby many times, who has many permissions.User Ruby is an official ", + "product_code":"dws", + "title":"Who Is User Ruby?", + "uri":"dws_03_0202.html", + "doc_type":"usermanual", + "p_code":"217", + "code":"226" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", "title":"Database Usage", "uri":"dws_03_0065.html", - "doc_type":"usermanual", - "p_code":"145", - "code":"190" - }, - { - "desc":"No, you only need to set the primary key. By default, the first column of the primary key is selected as the distribution key. If both are set, the primary key must conta", - "product_code":"dws", - "title":"Do I Need to Set a Distribution Key After Setting a Primary Key?", - "uri":"dws_03_0075.html", - "doc_type":"usermanual", - "p_code":"190", - "code":"191" - }, - { - "desc":"Yes.GaussDB(DWS) is compatible with PostgreSQL stored procedures. For details, see \"Stored Procedures\" in the Developer Guide.", - "product_code":"dws", - "title":"Is GaussDB(DWS) Compatible with PostgreSQL Stored Procedures?", - "uri":"dws_03_0076.html", - "doc_type":"usermanual", - "p_code":"190", - "code":"192" - }, - { - "desc":"Partitioned table: Partitioning refers to splitting what is logically one large table into smaller physical pieces based on specific schemes. The table based on the logic", - "product_code":"dws", - "title":"What Are Partitioned Tables, Partitions, and Partition Keys?", - "uri":"dws_03_0064.html", - "doc_type":"usermanual", - "p_code":"190", - "code":"193" - }, - { - "desc":"You are advised to use the Data Studio graphical client to export table data. You can export data from:A specific tableAll tables in a schemaAll tables in a databaseFor d", - "product_code":"dws", - "title":"How Can I Export the Table Structure?", - "uri":"dws_03_0078.html", - "doc_type":"usermanual", - "p_code":"190", - "code":"194" - }, - { - "desc":"You can use pg_tables and pg_views to query all table information and views in a database. Example:For details about the returned columns, see \"PG_TABLES\" and \"PG_VIEWS\" ", - "product_code":"dws", - "title":"How Can I Export All Tables and Views from a Database?", - "uri":"dws_03_0079.html", - "doc_type":"usermanual", - "p_code":"190", - "code":"195" - }, - { - "desc":"In GaussDB(DWS), the encoding format of a database cannot be changed. You need to create another database in the required format. For globalization purposes, set the enco", - "product_code":"dws", - "title":"How Can I Change the Character Encoding Format of a Database?", - "uri":"dws_03_0085.html", - "doc_type":"usermanual", - "p_code":"190", - "code":"196" - }, - { - "desc":"Yes. TRUNCATE is more efficient than DELETE for deleting massive data.For details, see \"TRUNCATE\" in the Data Warehouse Service (DWS) Developer Guide.TRUNCATE quickly rem", - "product_code":"dws", - "title":"How Can I Delete Table Data Efficiently?", - "uri":"dws_03_0088.html", - "doc_type":"usermanual", - "p_code":"190", - "code":"197" - }, - { - "desc":"Yes. For tables that involve frequent add, delete, or modify operations, perform VACUUM FULL and ANALYZE to reclaim the disk space occupied by updated or deleted data, pr", - "product_code":"dws", - "title":"Do I Need to Run VACUUM FULL and ANALYZE on Common Tables Periodically?", - "uri":"dws_03_0089.html", - "doc_type":"usermanual", - "p_code":"190", - "code":"198" - }, - { - "desc":"To query information about OBS/GDS foreign tables such as OBS paths, run the following statement:The following uses table traffic_data.GCJL_OBS as an example:", - "product_code":"dws", - "title":"How Do I View Foreign Table Information?", - "uri":"dws_03_2124.html", - "doc_type":"usermanual", - "p_code":"190", - "code":"199" + "doc_type":"faq", + "p_code":"173", + "code":"227" }, { "desc":"In a data warehouse database, you need to carefully choose distribution columns for large tables, because they can affect your database and query performance. If an impro", "product_code":"dws", "title":"How Do I Change Distribution Columns?", "uri":"dws_03_2126.html", + "doc_type":"faq", + "p_code":"227", + "code":"228" + }, + { + "desc":"Use the server_encoding parameter to check the character set encoding of the current database. For example, the character encoding of database music is UTF8.GaussDB(DWS) ", + "product_code":"dws", + "title":"How Do I View and Set the Database Character Encoding?", + "uri":"dws_03_0085.html", + "doc_type":"faq", + "p_code":"227", + "code":"229" + }, + { + "desc":"When creating a database, you can set the DBCOMPATIBILITY parameter to the compatible database type. The value of DBCOMPATIBILITY can be ORA, TD, and MySQL, indicating Or", + "product_code":"dws", + "title":"What Do I Do If Date Type Is Automatically Converted to the Timestamp Type During Table Creation?", + "uri":"dws_03_0186.html", + "doc_type":"faq", + "p_code":"227", + "code":"230" + }, + { + "desc":"Yes.For tables that are frequently added, deleted, or modified, you need to periodically perform VACUUM FULL and ANALYZEto reclaim the disk space occupied by updated or d", + "product_code":"dws", + "title":"Do I Need to Run VACUUM FULL and ANALYZE on Common Tables Periodically?", + "uri":"dws_03_0089.html", + "doc_type":"faq", + "p_code":"227", + "code":"231" + }, + { + "desc":"No, you only need to set the primary key. By default, the first column of the primary key is selected as the distribution key. If both are set, the primary key must conta", + "product_code":"dws", + "title":"Do I Need to Set a Distribution Key After Setting a Primary Key?", + "uri":"dws_03_0075.html", + "doc_type":"faq", + "p_code":"227", + "code":"232" + }, + { + "desc":"Yes.GaussDB(DWS) is compatible with PostgreSQL stored procedures. For details, see \"Stored Procedures\" in the Developer Guide.", + "product_code":"dws", + "title":"Is GaussDB(DWS) Compatible with PostgreSQL Stored Procedures?", + "uri":"dws_03_0076.html", + "doc_type":"faq", + "p_code":"227", + "code":"233" + }, + { + "desc":"Partitioned table: Partitioning refers to splitting what is logically one large table into smaller physical pieces based on specific schemes. The table based on the logic", + "product_code":"dws", + "title":"What Are Partitioned Tables, Partitions, and Partition Keys?", + "uri":"dws_03_0064.html", + "doc_type":"faq", + "p_code":"227", + "code":"234" + }, + { + "desc":"You are advised to use the Data Studio graphical client to export table data. You can export data from:A specific tableAll tables in a schemaAll tables in a databaseFor d", + "product_code":"dws", + "title":"How Can I Export the Table Structure?", + "uri":"dws_03_0078.html", + "doc_type":"faq", + "p_code":"227", + "code":"235" + }, + { + "desc":"Yes. TRUNCATE is more efficient than DELETE for deleting massive data.For details, see \"TRUNCATE\" in the Data Warehouse Service (DWS) Developer Guide.TRUNCATE quickly rem", + "product_code":"dws", + "title":"How Can I Delete Table Data Efficiently?", + "uri":"dws_03_0088.html", + "doc_type":"faq", + "p_code":"227", + "code":"236" + }, + { + "desc":"To query information about OBS/GDS foreign tables such as OBS paths, run the following statement:The following uses table traffic_data.GCJL_OBS as an example:", + "product_code":"dws", + "title":"How Do I View Foreign Table Information?", + "uri":"dws_03_2124.html", + "doc_type":"faq", + "p_code":"227", + "code":"237" + }, + { + "desc":"For clusters of 8.1.2 or later, you can use the GUC parameter default_distribution_mode to query and set the default table distribution mode.If no distribution column is ", + "product_code":"dws", + "title":"If No Distribution Column Is Specified, How Will Data Be Stored?", + "uri":"dws_03_2127.html", + "doc_type":"faq", + "p_code":"227", + "code":"238" + }, + { + "desc":"When OUTER JOIN (LEFT JOIN, RIGHT JOIN, and FULL JOIN) is executed, the match failure in the outer join generates a large number of NULL values. You can replace these nul", + "product_code":"dws", + "title":"How Do I Replace the Null Result with 0?", + "uri":"dws_03_2102.html", + "doc_type":"faq", + "p_code":"227", + "code":"239" + }, + { + "desc":"The storage mode of a table is controlled by the ORIENTATION parameter in the table creation statement. row indicates row storage, and column indicates column storage.You", + "product_code":"dws", + "title":"How Do I Check Whether a Table Is Row-Stored or Column-Stored?", + "uri":"dws_03_2100.html", + "doc_type":"faq", + "p_code":"227", + "code":"240" + }, + { + "desc":"The following SQL statements are used to query common information about column-store tables:Create a column-store partitioned table my_table.Run the following command to ", + "product_code":"dws", + "title":"How Do I Query the Information About GaussDB(DWS) Column-Store Tables?", + "uri":"dws_03_2104.html", + "doc_type":"faq", + "p_code":"227", + "code":"241" + }, + { + "desc":"Creating indexes for tables can improve database query performance. However, sometimes indexes cannot be used in a query plan. This section describes several common reaso", + "product_code":"dws", + "title":"Why Sometimes the GaussDB(DWS) Query Indexes Become Invalid?", + "uri":"dws_03_2105.html", + "doc_type":"faq", + "p_code":"227", + "code":"242" + }, + { + "desc":"Currently, GaussDB(DWS) does not have a built-in CRC32() function. Instead, you can use the user-defined function of GaussDB(DWS) to rewrite the CRC32() function.CRC32(ex", + "product_code":"dws", + "title":"How Do I Use a User-Defined Function to Rewrite the CRC32() Function?", + "uri":"dws_03_2101.html", + "doc_type":"faq", + "p_code":"227", + "code":"243" + }, + { + "desc":"When you query the schema list, the query result may contain schemas starting with pg_temp* or pg_toast_temp*, as shown in the following figure.These schemas are created ", + "product_code":"dws", + "title":"What Are the Schemas Starting with pg_toast_temp* or pg_temp*?", + "uri":"dws_03_2106.html", + "doc_type":"faq", + "p_code":"227", + "code":"244" + }, + { + "desc":"In GaussDB(DWS), sometimes a SQL query may get different results. This problem is most likely caused by improper syntax or usage. To avoid this problem, use the syntax co", + "product_code":"dws", + "title":"Solutions to Inconsistent GaussDB(DWS) Query Results", + "uri":"dws_03_2107.html", + "doc_type":"faq", + "p_code":"227", + "code":"245" + }, + { + "desc":"VACUUM FULL can be performed on all GaussDB(DWS) system catalogs. However, during the process, level 8 locks will be imposed on the system catalogs, and services involvin", + "product_code":"dws", + "title":"Which System Catalogs That the VACUUM FULL Operation Cannot Be Performed on?", + "uri":"dws_03_2108.html", "doc_type":"usermanual", - "p_code":"190", - "code":"200" + "p_code":"227", + "code":"246" + }, + { + "desc":"When user SQL information is queried in the PGXC_STAT_ACTIVITY view, the statecolumn in the query result sometimes displays idle in transaction. idle in transaction indic", + "product_code":"dws", + "title":"In Which Scenarios Would a Statement Be \"idle in transaction\"?", + "uri":"dws_03_2109.html", + "doc_type":"faq", + "p_code":"227", + "code":"247" + }, + { + "desc":"This section describes how to use SQL statements to convert rows to columns and convert columns to rows in GaussDB(DWS).Use a student score table as an example:Teachers r", + "product_code":"dws", + "title":"How Does GaussDB(DWS) Implement Row-to-Column and Column-to-Row Conversion?", + "uri":"dws_03_2110.html", + "doc_type":"faq", + "p_code":"227", + "code":"248" + }, + { + "desc":"The concepts of a unique constraint and a unique index are different.A unique constraint specifies that the values in a column or a group of columns are all unique. If DI", + "product_code":"dws", + "title":"What Are the Differences Between Unique Constraints and Unique Indexes?", + "uri":"dws_03_1002.html", + "doc_type":"faq", + "p_code":"227", + "code":"249" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", "title":"Database Performance", "uri":"dws_03_0035.html", - "doc_type":"usermanual", - "p_code":"145", - "code":"201" + "doc_type":"faq", + "p_code":"173", + "code":"250" }, { - "desc":"When a database is used for a period of time, the table data increases as services grow, or the table data is frequently added, deleted, or modified. This results in bloa", + "desc":"After a database is used for a period of time, the table data increases as services grow, or the table data is frequently added, deleted, or modified. As a result, bloati", "product_code":"dws", "title":"Why Is SQL Execution Slow After Long GaussDB(DWS) Usage?", "uri":"dws_03_0071.html", - "doc_type":"usermanual", - "p_code":"201", - "code":"202" + "doc_type":"faq", + "p_code":"250", + "code":"251" }, { "desc":"Due to the MPP architecture limitation of GaussDB(DWS), a few PostgreSQL methods and functions cannot be pushed to DNs for execution. As a result, performance bottlenecks", "product_code":"dws", "title":"Why Does GaussDB(DWS) Perform Worse Than a Single-Server Database in Extreme Scenarios?", "uri":"dws_03_0036.html", - "doc_type":"usermanual", - "p_code":"201", - "code":"203" + "doc_type":"faq", + "p_code":"250", + "code":"252" }, { - "desc":"The top SQL feature lets you view SQL statements executed in a specified period (in real time and historical). SQL statements of the current CN or all CNs are available f", + "desc":"You can use the top SQL feature to view SQL statements executed in a specified period. SQL statements of the current CN or all CNs can be viewed.Top SQL allows you to vie", "product_code":"dws", - "title":"How Can I View SQL Execution Records of A Certain Period When Service Read and Write Are Blocked?", + "title":"How Can I View SQL Execution Records in a Certain Period When Read and Write Requests Are Blocked?", "uri":"dws_03_0100.html", - "doc_type":"usermanual", - "p_code":"201", - "code":"204" + "doc_type":"faq", + "p_code":"250", + "code":"253" + }, + { + "desc":"You can use a snapshot to restore your cluster to a new one that has larger storage space, and then delete the old cluster to avoid resource waste. You can learn cluster ", + "product_code":"dws", + "title":"What Do I Do If My Cluster Is Unavailable Because of Insufficient Space?", + "uri":"dws_03_1485.html", + "doc_type":"faq", + "p_code":"250", + "code":"254" + }, + { + "desc":"In different service scenarios, system resources (CPU, memory, I/O, and storage resources) of the database are properly allocated to queries to ensure query performance, ", + "product_code":"dws", + "title":"GaussDB(DWS) CPU Resource Management", + "uri":"dws_03_2111.html", + "doc_type":"faq", + "p_code":"250", + "code":"255" + }, + { + "desc":"The execution speed of an ordinary user is slower than that of the dbadmin user in the following scenarios:Ordinary users queuing: waiting in queue/waiting in global queu", + "product_code":"dws", + "title":"Why the Tasks Executed by an Ordinary User Are Slower Than That Executed by the dbadmin User?", + "uri":"dws_03_2112.html", + "doc_type":"faq", + "p_code":"250", + "code":"256" + }, + { + "desc":"GaussDB(DWS) uses the shared-nothing architecture, and data is stored in a distributed manner. Therefore, the distribution key, data volume, and number of partitions affe", + "product_code":"dws", + "title":"What Are the Factors Related to the Single-Table Query Performance in GaussDB(DWS)?", + "uri":"dws_03_2114.html", + "doc_type":"faq", + "p_code":"250", + "code":"257" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", "product_code":"dws", - "title":"Logs", - "uri":"dws_03_0068.html", - "doc_type":"usermanual", - "p_code":"145", - "code":"205" + "title":"Snapshot Backup and Restoration", + "uri":"dws_03_2010.html", + "doc_type":"faq", + "p_code":"173", + "code":"258" }, { - "desc":"GaussDB(DWS) allows you to record the audit logs of specific operations, involving audit log retention policies, unauthorized access, as well as DML, DDL, SELECT and COPY", + "desc":"This happens when the data to be backed up is large. Automated snapshots are incremental backups, and the lower the frequency you set (for example, one week), the longer ", "product_code":"dws", - "title":"How Can I View Database Operation Logs?", - "uri":"dws_03_0082.html", - "doc_type":"usermanual", - "p_code":"205", - "code":"206" + "title":"Why Is Creating an Automated Snapshot So Slow?", + "uri":"dws_03_0059.html", + "doc_type":"faq", + "p_code":"258", + "code":"259" + }, + { + "desc":"No.GaussDB(DWS) snapshots are used to restore all the configurations and service data of a cluster. EVS snapshots are used to restore the service data of a data disk or s", + "product_code":"dws", + "title":"Does a DWS Snapshot Have the Same Function as an EVS Snapshot?", + "uri":"dws_03_2131.html", + "doc_type":"faq", + "p_code":"258", + "code":"260" }, { "desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.", @@ -1860,6 +2346,6 @@ "uri":"dws_01_0070.html", "doc_type":"usermanual", "p_code":"", - "code":"207" + "code":"261" } ] \ No newline at end of file diff --git a/docs/dws/umn/dws_01_00013.html b/docs/dws/umn/dws_01_00013.html index 340f000c5..f072f5a80 100644 --- a/docs/dws/umn/dws_01_00013.html +++ b/docs/dws/umn/dws_01_00013.html @@ -1,18 +1,18 @@ - +

Application Scenarios

-
  • Enhanced ETL + Real-time BI analysis
    Figure 1 ETL + BI analysis
    -

    The data warehouse is the pillar of the Business Intelligence (BI) system for collecting, storing, and analyzing massive amounts of data. It provides powerful business analysis support for IoT, mobile Internet, gaming, and Online to Offline (O2O) industries.

    -

    Advantages of GaussDB(DWS) are as follows:

    -
    • Data migration: efficient and real-time data import in batches from multiple data sources
    • High performance: cost-effective PB-level data storage and second-level response to correlation analysis of trillions of data records
    • Real-time: real-time consolidation of service data for timely optimization and adjustment of operation decision-making
    -
  • E-commerce
    Figure 2 E-commerce
    -

    Data of online retailers is mainly used for marketing recommendation, operating and customer analysis, and full text search.

    -

    Advantages of GaussDB(DWS) are as follows:

    -
    • Multi-dimensional analysis: analysis from products, users, operation, and regions
    • Scale-out as the business grows: on-demand cluster scale-out as the business grows
    • High reliability: long-term stable running of the e-commerce system
    -
  • IoT
    Figure 3 IoT
    -

    GaussDB(DWS) helps you analyze massive amounts of data from IoT in real time and perform optimization based on the results. It is widely used in industrial IoT, O2O service system, and IoV solutions.

    -

    Advantages of GaussDB(DWS) are as follows:

    -
    • Real-time archiving of stream data: importing stream data from IoT devices and the gateway to GaussDB(DWS) using DIS
    • Device monitoring and prediction: device monitoring, control, optimization, supply, self-diagnosis, and self-healing based on data analysis and prediction
    • Information recommendation: tailed recommendation based on data of users' connected devices
    +
    • Enhanced ETL + Real-time BI analysis
      Figure 1 ETL+BI analysis
      +

      The data warehouse is the pillar of the Business Intelligence (BI) system for collecting, storing, and analyzing massive amounts of data. It provides powerful business analysis support for IoT, mobile Internet, gaming, and Online to Offline (O2O) industries.

      +

      Advantages of GaussDB(DWS) are as follows:

      +
      • Data migration: efficient and real-time data import in batches from multiple data sources
      • High performance: cost-effective PB-level data storage and second-level response to correlation analysis of trillions of data records
      • Real-time: real-time consolidation of service data for timely optimization and adjustment of operation decision-making
      +
    • E-commerce
      Figure 2 E-commerce
      +

      Data of online retailers is mainly used for marketing recommendation, operating and customer analysis, and full text search.

      +

      Advantages of GaussDB(DWS) are as follows:

      +
      • Multi-dimensional analysis: analysis from products, users, operation, and regions
      • Scale-out as the business grows: on-demand cluster scale-out as the business grows
      • High reliability: long-term stable running of the e-commerce system
      +
    • IoT
      Figure 3 IoT
      +

      GaussDB(DWS) helps you analyze massive amounts of data from Internet of Things (IoT) in real time and perform optimization based on the results. It is widely used in industrial IoT, O2O service system, and IoV solutions.

      +

      Advantages of GaussDB(DWS) are as follows:

      +
      • Device monitoring and prediction: device monitoring, control, optimization, supply, self-diagnosis, and self-healing based on data analysis and prediction
      • Information recommendation: tailed recommendation based on data of users' connected devices
    diff --git a/docs/dws/umn/dws_01_00014.html b/docs/dws/umn/dws_01_00014.html index 01a6cdeb3..7e3ef7ef2 100644 --- a/docs/dws/umn/dws_01_00014.html +++ b/docs/dws/umn/dws_01_00014.html @@ -1,4 +1,4 @@ - +

    Databases Monitoring

    @@ -14,8 +14,12 @@
  • Utilities
    • +
  • Workload Analysis
    +
  • Settings
    • +
  • Checking Task Details
    +
  • Typical Scenarios
diff --git a/docs/dws/umn/dws_01_0002.html b/docs/dws/umn/dws_01_0002.html index 42348252c..f0339865f 100644 --- a/docs/dws/umn/dws_01_0002.html +++ b/docs/dws/umn/dws_01_0002.html @@ -1,73 +1,85 @@ - +

What Is GaussDB(DWS)?

-

GaussDB(DWS) is an online data processing database that runs on the cloud infrastructure to provide scalable, fully-managed, and out-of-the-box analytic database service, freeing you from complex database management and monitoring. It is a native cloud service based on the converged data warehouse GaussDB, and is fully compatible with the standard ANSI SQL 99 and SQL 2003, as well as the PostgreSQL and Oracle ecosystems. GaussDB(DWS) provides competitive solutions for PB-level big data analysis in various industries.

-

Architecture

GaussDB(DWS) employs the shared-nothing architecture and the massively parallel processing (MPP) engine, and consists of numerous independent logical nodes that do not share the system resources such as CPUs, memory, and storage. In such a system architecture, service data is separately stored on numerous nodes. Data analysis tasks are executed in parallel on the nodes where data is stored. The massively parallel data processing significantly improves response speed.

-
Figure 1 Architecture
-