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

Querying Statistics on Missing Indexes

Function

This API is used to query statistics on missing indexes.

Authorization Information

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

If you are using role/policy-based authorization, see Permissions and Supported Actions for details on the required permissions.
If you are using identity policy-based authorization, the permission listed below is 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/{instance_id}/missing-index/get-missing-index-statistics

**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 allowed. Default Value N/A
instance_id	Yes	String	Definition Instance ID, which uniquely identifies an instance. Constraints N/A Range The value can contain 32 characters. Only letters and digits are allowed. Default Value N/A

Request Parameters

None

Response Parameters

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
collect_time	Long	Definition Collection time (ms). Range N/A
total_missing_index_count	Long	Definition Total number of missing indexes. Range N/A
user_impact_gt80_count	Long	Definition Number of indexes with performance metrics exceeding 80%. Range N/A
last_day_accessed_count	Long	Definition Number of user access records in the last day. Range N/A
last_week_accessed_count	Long	Definition Number of user access records in the last week. Range N/A
last_two_week_accessed_count	Long	Definition Number of user access records in the last two weeks. Range N/A
last_month_accessed_count	Long	Definition Number of user access records in the last month. Range N/A

Example Requests

GET https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/instances/da304cd5bbb944de828759bc7be3d3fein01/missing-index/get-missing-index-statistics

Example Responses

Status code: 200

Success.

{
    "collect_time": 1764218986000,
    "total_missing_index_count": 329,
    "user_impact_gt80_count": 102,
    "last_day_accessed_count": 86,
    "last_week_accessed_count": 152,
    "last_two_week_accessed_count": 174,
    "last_month_accessed_count": 241
}

Status Codes

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

Error Codes

See Error Codes.

Parent topic: Intelligent O&M