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AnalyticDB for MySQL:ModifyDBResourcePool

Last Updated:Oct 27, 2023

Modifies the resources of a resource group. This operation is available only for AnalyticDB for MySQL clusters in elastic mode for Cluster Edition.

Operation Description

  • You can call this operation only for elastic clusters of 32 cores or more.
  • You cannot change the number of nodes for the USER_DEFAULT resource group.


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Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
  • DBCluster

Request parameters


The ID of the AnalyticDB for MySQL Data Warehouse Edition (V3.0) cluster.

Note You can call the DescribeDBClusters operation to query the IDs of all AnalyticDB for MySQL Data Warehouse Edition (V3.0) clusters within a region.

The name of the resource group.


The mode in which SQL statements are executed. Valid values:

  • batch
  • interactive
Note If you do not specify this parameter, the original value is retained.

The number of nodes.

  • Each node provides 16 cores and 64 GB memory.
  • The amount of resources that you want to add to or remove from the cluster cannot exceed the total amount of resources in the cluster.
  • If you do not specify this parameter, the original value is retained.
  • You must specify at least one of the QueryType and NodeNum parameters.
  • 2

    Response parameters


    The request ID.



    Sample success responses


      "RequestId": "1AD222E9-E606-4A42-BF6D-8A4442913CEF"

    Error codes

    HTTP status codeError codeError messageDescription
    404InvalidDBCluster.NotFoundThe DBClusterId provided does not exist in our records.The specified DBClusterId parameter does not exist. Make sure that the DBClusterId value is valid.

    For a list of error codes, visit the Service error codes.

    Change history

    Change timeSummary of changesOperation
    No change history