Modifies a parameter template of an ApsaraDB for RDS instance.

You can configure a number of parameters at a time by using a parameter template and apply the parameter template to an RDS instance. For more information, see Use a parameter template to manage parameters.

Note Parameter templates are supported only for RDS instances that run MySQL.

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 ModifyParameterGroup

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

ParameterGroupId String Yes rpg-xxxxxxx

The ID of the parameter template. You can call the DescribeParameterGroups operation to query the most recent parameter templates.

RegionId String Yes cn-hangzhou

The ID of the region. You can call the DescribeRegions operation to query the most recent region list.

Note The region of a parameter template cannot be changed. You can call the CloneParameterGroup operation to replicate a parameter template to a specific region.
ParameterGroupName String No testgroup1

The name of the parameter template.

  • The name must start with a letter and can contain letters, digits, dots (.), and underscores (_).
  • The name must be 8 to 64 characters in length.
Note If you do not specify this parameter, the original name of the parameter template is retained.
ParameterGroupDesc String No test

The new description of the parameter template. The description can be up to 200 characters in length.

Note If you do not specify this parameter, the original description of the parameter template is retained.
Parameters String No {"back_log":"3000"}

A JSON string that consists of parameters and their values in the parameter template. Format: {"Parameter 1":"Value of Parameter 1","Parameter 2":"Value of Parameter 2 ",...}. For information about configurable parameters, see Reconfigure parameters for an RDS for MySQL instance.

Note
  • If you specify this parameter, the new parameters replace the original ones.
  • If you do not specify this parameter, the original parameters remain unchanged.

Response parameters

Parameter Type Example Description
RequestId String 857DC00B-7B85-4853-8B27-AD65EB618BC6

The ID of the request.

Examples

Sample requests

http(s)://[Endpoint]/? Action=ModifyParameterGroup
&RegionId=cn-hangzhou
&ParameterGroupId=rpg-xxxxxxx
&Parameters={"back_log":"3000"}
&<Common request parameters>

Sample success responses

XML format 

<ModifyParameterGroupResponse>
  <RequestId>857DC00B-7B85-4853-8B27-AD65EB618BC6</RequestId>
</ModifyParameterGroupResponse>

JSON format 

{
	"RequestId": "857DC00B-7B85-4853-8B27-AD65EB618BC6"
}

Error codes

For a list of error codes, visit the API Error Center.