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Creating a Resource Pool

Updated on 2024-06-11 GMT+08:00
  1. Log in to the GaussDB(DWS) management console.
  2. Choose Clusters. Click the name of a cluster.
  3. Choose Resource Management Configurations.
  4. Click Add Resource Pool.

    NOTE:

    Up to 63 resource pools can be created.

  5. Refer to Table 1 to configure the resource pool.

    Table 1 Resource pool parameters

    Parameter

    Description

    Mandatory

    Default Value

    Name

    Resource pool name

    Yes

    -

    CPU Resource (%)

    • CPU share: Percentage of CPU time that can be used by users associated with the current resource pool to execute jobs. The value is an integer ranging from 1 to 99.
    • CPU limit: Maximum percentage of CPU cores used by a database user in a resource pool. The value is an integer ranging from 0 to 100. 0 indicates no limit.
    NOTE:
    • The sum of the parameter values of all the resource pools cannot exceed 99%. If there is only one resource pool, the CPU share parameter does not take effect.
    • The CPU share parameter takes effect only when CPU contention occurs. For example, resource pools A and B are bound to CPU 1. If A and B are both running, the parameter takes effect. If there is only A running, the parameter does not take effect.
    • The sum of the CPU limits of all the resource pools cannot exceed 100%. The default value is 0.

    Yes

    -

    Memory Resource (%)

    Percentage of the memory that can be used by a resource pool.

    CAUTION:

    You can manage memory and query concurrency separately or jointly. Under joint management, jobs can be delivered only when both the memory and concurrency conditions are met.

    Yes

    0 (not limited)

    Storage Resource (MB)

    Size of the available space for permanent tables.

    CAUTION:

    This parameter indicates the total tablespace of all DNs in a resource pool. Available space of a single DN = Configured value/Number of DNs.

    Yes

    -1 (not limited)

    Query Concurrency

    Maximum number of concurrent queries in a resource pool.

    CAUTION:

    You can manage memory and query concurrency separately or jointly. Under joint management, jobs can be delivered only when both the memory and concurrency conditions are met.

    Yes

    10

    NOTE:

    The CPU usage limit is supported only by clusters of version 8.1.3 or later.

  6. Confirm the information and click OK.

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