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

Obtaining Metric Data of Instances in Batches

Function

This API is used to obtain metric data of instances in batches.

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::showCloudDBAInfo

Read

-

-

-

-

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

URI

POST /v3/{project_id}/instance/query-instance-metric

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain the 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

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
engine_type	Yes	String	Definition DB engine type Constraints N/A Range MySQL Default Value N/A
infos	Yes	Array of objects in Table 3	Definition Instance information list Constraints N/A Range N/A Default Value N/A
metric_names	Yes	Arrays of Strings	Definition Metric name Constraints N/A Range N/A Default Value N/A

**Table 3** instance_info
Parameter	Mandatory	Type Description
instance_id	Yes	Definition Instance ID Constraints N/A Range N/A Default Value N/A

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
total	Long	Definition Number of diagnosis reports Range N/A
health_report_task_list	Array of objects in Table 4	Definition Diagnosis reports Range N/A

Example Requests

POST https://das.cn-north-1.myhuaweicloud.com/v3/052041494800d57c2f02c00275b4c247/instance/query-instance-metric 
 
{
    "engine_type": "mysql",
    "infos": [       
        {
            "instance_id": "a85e88ccd82d48828eefb112076d3a92in01"
        }
    ],
    "metric_names": [
        "qps",
        "tps",
        "mem_usage",
        "cpu_usage",
        "connection_total_count",
        "connection_active_count"
    ]
}

Example Responses

Status code: 200

Success.

{
    "das_metric_infos": [
        {
            "instance_id": "a85e88ccd82d48828eefb112076d3a92in01",
            "threshold_index": 0,
            "instance_status": "ACTIVE",
            "timestamp": 1764057930000,
            "metrics": {
                "mem_usage": 54.3,
                "qps": 4.45,
                "tps": 0,
                "connection_total_count": 16,
                "cpu_usage": 14.68,
                "connection_active_count": 1
            },
            "threshold_metrics": {}
        }
    ]
}

Status Codes

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

Error Codes

See Error Codes.

Parent topic: Intelligent O&M