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Lu, Huayi
c5fcb46315
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
21 lines
2.1 KiB
HTML
21 lines
2.1 KiB
HTML
<a name="EN-US_TOPIC_0000001180320183"></a><a name="EN-US_TOPIC_0000001180320183"></a>
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<h1 class="topictitle1">GaussDB(DWS) Management Concepts </h1>
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<div id="body1487833114713"><div class="section" id="EN-US_TOPIC_0000001180320183__section17248514161134"><h4 class="sectiontitle">Cluster</h4><p id="EN-US_TOPIC_0000001180320183__p54952384161134">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 same subnet. These nodes work together to provide services.</p>
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<div class="section" id="EN-US_TOPIC_0000001180320183__section2062812517412"><h4 class="sectiontitle">Node</h4><p id="EN-US_TOPIC_0000001180320183__p4766913717414">Each data warehouse cluster contains at least three nodes, all of which support data storage and analysis.</p>
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<div class="section" id="EN-US_TOPIC_0000001180320183__section33777514161134"><h4 class="sectiontitle">Flavor</h4><p id="EN-US_TOPIC_0000001180320183__p51624102161134">You need to specify the node flavors when you create a data warehouse cluster. CPU, memory, and storage resources vary depending on node flavors.</p>
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<div class="section" id="EN-US_TOPIC_0000001180320183__section17640691161134"><h4 class="sectiontitle">Snapshot</h4><p id="EN-US_TOPIC_0000001180320183__p1922013546820">You can create snapshots to back up GaussDB(DWS) cluster data. A snapshot is retained until you delete it on the management console. Automated snapshots cannot be manually deleted. Snapshots will occupy your OBS quotas.</p>
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<div class="section" id="EN-US_TOPIC_0000001180320183__section25776682114018"><h4 class="sectiontitle">Project</h4><p id="EN-US_TOPIC_0000001180320183__p50745405114023">Projects are used to group and isolate OpenStack resources (computing resources, storage resources, and network resources). A project can be a department or a project team. Multiple projects can be created for one account.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_01_0004.html">Concepts</a></div>
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