Modifying Parameters of a Specified DB Instance

Function

This API is used to modify parameters in the parameter template of a specified DB instance.

• Before calling an API, you need to understand the API in Authentication.

• Before calling this API, obtain the required region and endpoint.

Constraints

• The following DB engines are supported: MySQL, PostgreSQL, and Microsoft SQL Server.

• For Microsoft SQL Server, only the following editions are supported: Microsoft SQL Server 2014 SE, 2016 SE, and 2016 EE.

• The values of the edited parameters must be within the default value range of the specified database version. For details about the range of parameter values, see "Modifying Parameters in a Parameter Template" in the Relational Database Service User Guide.

URI

• URI format

  PUT https://{Endpoint}/v3/{project_id}/instances/{instance_id}/configurations

• Parameter description

  Table 1 Parameter description

  Name	Mandatory	Description
  project_id	Yes	Specifies the project ID of a tenant in a region. For details about how to obtain the project ID, see Obtaining a Project ID.
  instance_id	Yes	Specifies the DB instance ID.

Request

• Parameter description

  Table 2 Parameter description

  Name	Mandatory	Type	Description
  values	Yes	Map<String,String>	Specifies the parameter values defined by users based on the default parameter templates. For details, see Table 3.

  Table 3 values field data structure description

  Name	Mandatory	Type	Description
  key	Yes	String	Specifies the parameter name. For example, in "max_connections": "10", the key is max_connections.
  value	Yes	String	Specifies the parameter value. For example, in "max_connections": "10", the value is 10.

• Request example

  PUT https://{Endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/instances/dsfae23fsfdsae3435in01/configurations
  

  {
      "values": {
         "xxx": "10",
         "yyy": "OFF"
      }
  }
  

Response

• Normal response

  Table 4 Parameter description

  Name	Type	Description
  restart_required	Boolean	Indicates whether a reboot is required. true: A reboot is required. false: A reboot is not required.

• Example normal response

  {
    "restart_required": false
  }
  

• Abnormal response

  For details, see Abnormal Request Results.

Status Code

• Normal

  200

• Abnormal

  For details, see Status Codes.

Error Code

For details, see Error Codes.

last updated: 2024-11-08 14:19 UTC - commit: aae1b12bfa160248d933bc69155302800af0d0fd