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

Querying the Risk Trend of an Instance

Function

This API is used to query the risk trend of an instance.

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

GET /v3/{project_id}/instances/risk-trend

**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

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
datastore_type	Yes	String	Definition Database type Constraints N/A Range MySQL TaurusDB PostgreSQL Microsoft SQL Server Default Value N/A
start_at	Yes	Long	Definition Start time Constraints Unix timestamp, in milliseconds Range [0, 2^63 – 1]. The actual value depends on the query result. Default Value N/A
end_at	Yes	Long	Definition End time Constraints Unix timestamp, in milliseconds Range [0, 2^63 – 1]. The actual value depends on the query result. Default Value N/A
metric_code	Yes	String	Definition Metric code Constraints N/A Range N/A Default Value N/A

Request Parameters

None

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
metric_code	String	Definition Metric code Range N/A
metric	Objects in Table 4	Definition Metric Range N/A

**Table 4** metric
Parameter	Type	Description
series	Array of double	Definition Value
timestamps	Array of long	Definition Timestamp

Example Requests

GET https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/instances/risk-trend?datastore_type=MySQL&start_at=1736402167045&end_at=1736403967045&metric_code=sys001_cpu_usage

Example Responses

Status code: 200

Success

{
  "metric_code": "sys001_cpu_usage",
  "metric": {
    "series": [
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1,
      1
    ],
    "timestamps": [
      1736402220,
      1736402280,
      1736402340,
      1736402400,
      1736402460,
      1736402520,
      1736402580,
      1736402640,
      1736402700,
      1736402760,
      1736402820,
      1736402880,
      1736402940,
      1736403000,
      1736403060,
      1736403120,
      1736403180,
      1736403240,
      1736403300,
      1736403360,
      1736403420,
      1736403480,
      1736403540,
      1736403600,
      1736403660,
      1736403720,
      1736403780,
      1736403840
    ]
  }
}

Status Codes

Status Code	Description
200	Success
400	Bad request
500	Internal server error

Error Codes

See Error Codes.

Parent topic: Intelligent O&M