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

Querying the Deadlock Switch Status

This API is used to query the deadlock switch status. It applies only to SQL Server instances.

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::showCloudDBAInfo

Read

Instance

-

-

-

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
das::showCloudDBAInfo	Read	Instance	-	-	-

GET /v3/{project_id}/dead-lock/switch

**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

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
instance_id	Yes	String	Definition Instance ID Constraints N/A Range The value can contain 32 characters. Only letters and digits are supported. Default Value N/A
engine_type	Yes	String	Definition DB engine type Constraints N/A Range sqlserver Default Value N/A

None

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
switch_on	Boolean	Definition Switch status Range N/A
retention_hours	Long	Definition Retention period Range N/A
can_open	Boolean	Definition Whether the function can be enabled Range N/A
cant_open_msg	String	Definition Reason why the function cannot be enabled Range N/A

GET https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/dead-lock/switch

Status code: 200

Success.

{ "switch_on": true, "retention_hours": 168, "can_open": true }

Parent topic: Intelligent O&M