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

Creating a Lock Snapshot

Function

This API is used to create a lock snapshot.

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:listInnodbLock

list

Instance

-

-

-

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
das:clouddba:listInnodbLock	list	Instance	-	-	-

URI

POST /v3/{project_id}/connections/{connection_id}/instance/create-snapshot

**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
connection_id	Yes	String	Definition Connection ID established between a database account and the database. The database user ID is created using the API in Creating an Instance Connection. Constraints N/A Range The value is a UUID containing 36 characters. Only letters, digits, and hyphens (-) are allowed. Default Value N/A

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
modules	Yes	Array of Integers	Definition Lock snapshot type 0: MDL lock snapshot 1: InnoDB lock snapshot 2: latest deadlock Constraints N/A

Response Parameters

Status code: 200

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

Example Requests

POST https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/connections/179e525e-0e9c-4dcc-9dd7-ee2f36121e23/instance/create-snapshot
 
{
  "modules": [0]
}

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