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Yang, Tong 5914b67d13 MRS UMN Doc 20240802 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Yang, Tong <yangtong2@huawei.com>
Co-committed-by: Yang, Tong <yangtong2@huawei.com>
2024-09-28 19:04:58 +00:00

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Creating a Cluster

The first step of using MRS is to create a cluster. This section describes how to create a cluster on the MRS management console.

Procedure

  1. Log in to the MRS console.
  2. Click Create Cluster, the Create Cluster page is displayed

    When creating a cluster, pay attention to quota notification. If a resource quota is insufficient, increase the resource quota as prompted and create a cluster.

  3. On the page for create a cluster, click the Custom Config tab.
  4. Configure cluster software information.

    • Region: Use the default value.
    • Cluster Name: You can use the default name. However, you are advised to include a project name abbreviation or date for consolidated memory and easy distinguishing, for example, mrs_20180321.
    • Cluster Type: Use the default Analysis Cluster.
    • Cluster Version: Select the latest version, which is the default value.
    • Component: Select components such as Spark2x, HBase, and Hive for the analysis cluster. For a streaming cluster, select components such as Kafka and Storm. For a hybrid cluster, you can select the components of the analysis cluster and streaming cluster based on service requirements.
    • Component Port: Use the default Open source.

  5. Click Next.

    • AZ: Use the default value.
    • VPC: Use the default value. If there is no available VPC, click View VPC to access the VPC console and create a new VPC.
    • Subnet: Use the default value.
    • Security Group: Select Auto create.
    • EIP: Select Bind later.
    • CPU Architecture: Use the default value.
    • Common Template: Select a template based on service requirements.
    • Cluster Nodes
      • Node Count: the number of nodes you want to purchase. For MRS 3.x clusters, the default value is 3. You can set the value as you need.
      • Instance Specifications: Retain the default settings for master and core nodes or select proper specifications based on service requirements.
      • System Disk: Retain the default Ultra-high I/O and storage capacity.
      • Data Disk: Retain the default Ultra-high I/O, storage capacity, and quantity.
    • Topology Adjustment: Retain the default value.

  6. Click Next. The Set Advanced Options tab page is displayed. Configure the following parameters. Retain the default settings for the other parameters.

    • Kerberos Authentication: Disable Kerberos authentication.
    • Username: name of the Manager administrator. admin is used by default.
    • Password: password of the Manager administrator.
    • Confirm Password: Enter the password again.
    • Login Mode: Select a mode for logging in to an ECS.
      • Password: Set a password for logging in to an ECS.
      • Key Pair: Select a key pair from the drop-down list. Select "I acknowledge that I have obtained private key file SSHkey-xxx and that without this file I will not be able to log in to my ECS." If you have never created a key pair, click View Key Pair to create or import a key pair. And then, obtain a private key file.
    • Set Advanced Options: To configure some advanced parameters, select Configure.
    • Secure Communications: Select Enable.

  7. Click Next.

    • Configure: Confirm the parameters configured in the Configure Software, Configure Hardware, and Set Advanced Options areas.
    • Select the check box for Secure Communications.

  8. Click Apply Now.

    If Kerberos authentication is enabled for a cluster, check whether Kerberos authentication is required. If yes, click Continue. If no, click Back to disable Kerberos authentication and then create a cluster.

  9. Click Back to Cluster List to view the cluster status.

    It takes some time to create a cluster. The initial status of the cluster is Starting. After the cluster has been created successfully, the cluster status becomes Running.

Parent topic: MRS Quick Start