Updated on 2026-08-25 GMT+08:00

Setting Instance Configurations

Function

This API is used to set instance configurations.

Authorization Information

Each account has permissions to call all APIs, but IAM users must have the required permissions specifically assigned.

If you are using role/policy-based authorization, see the required permissions in Permissions Policies and Supported Actions.
If you are using identity policy-based authorization, the following identity policy-based permissions are required.

Action

Access Level

Resource Type (*: required)

Condition Key

Alias

Dependencies

das:clouddba:write

Write

-

-

-

-

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
das:clouddba:write	Write	-	-	-	-

URI

PUT /v3/{project_id}/instances/{instance_id}/config/set-config

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID. Constraints N/A Range The value can contain 32 characters. Only letters and digits are supported. Default Value N/A
instance_id	Yes	String	Definition Unique ID of an instance Constraints N/A Range The value can contain 32 characters. Only letters and digits are supported. Default Value N/A

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
config_type	Yes	String	Definition Configuration type Constraints N/A Range metaLockWaitThreshold and innodbLockWaitThreshold Default Value N/A
config_value	Yes	String	Definition Configured value Constraints N/A Range N/A Default Value N/A
engine_type	Yes	String	Definition DB engine type Constraints N/A Range N/A Default Value N/A

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
success	Boolean	Definition Whether the setting is successful Range N/A

Example Requests

PUT https://das.cn-north-1.myhuaweicloud.com/v3/052041494800d57c2f02c00275b4c247/instances/bcfa975193f1402fa11a6d4fd6baf5fbin01/config/set-config 
 
{
    "config_type": "metaLockWaitThreshold",
    "config_value": "2222",
    "engine_type": "mysql"
}

Example Responses

Status code: 200

Success.

{
    "success": true
}

Status Codes

Status Code	Description
200	Success.
400	Client error.
500	Server error.

Error Codes

See Error Codes.

Parent topic: Intelligent O&M