Modifies the configurations of a PolarDB-X instance.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes ModifyDBInstanceConfig

The operation that you want to perform. Set the value to ModifyDBInstanceConfig.

RegionId String Yes cn-hangzhou

The region ID of the instance.

DBInstanceName String Yes pxc-hzjasd****

The ID of the instance.

ConfigName String Yes ENABLE_CONSISTENT_REPLICA_READ

The configuration item that you want to modify. For more information about the configuration items, see Parameters for compute node settings.

ConfigValue String Yes true

The value of the configuration item that you want to modify. If ConfigName is set to ENABLE_CONSISTENT_REPLICA_READ, the valid values of the ConfigValue parameter are true and false. For more information about the valid values of this parameter, see Parameters for compute node settings.

Response parameters

Parameter Type Example Description
RequestId String FEA5DC20-6D8A-5979-97AA-FC57546ADC20

The ID of the request.

Examples

Sample requests

http(s)://[Endpoint]/?Action=ModifyDBInstanceConfig
&RegionId=cn-hangzhou
&DBInstanceName=pxc-hzjasd****
&ConfigName=ENABLE_CONSISTENT_REPLICA_READ
&ConfigValue=true
&ResourceGroupId=rg-acfmx2qz2eh2***
&Common request parameters

Sample success responses

XML format 

HTTP/1.1 200 OK
Content-Type:application/xml

<ModifyDBInstanceConfigResponse>
    <RequestId>FEA5DC20-6D8A-5979-97AA-FC57546ADC20</RequestId>
</ModifyDBInstanceConfigResponse>

JSON format 

HTTP/1.1 200 OK
Content-Type:application/json

{
  "RequestId" : "FEA5DC20-6D8A-5979-97AA-FC57546ADC20"
}

Error codes

For a list of error codes, see Service error codes.