Help Center/ GeminiDB/ API Reference/ API v3/ Instances/ Querying Hot Keys of a GeminiDB Redis Instance
Updated on 2026-09-22 GMT+08:00

Querying Hot Keys of a GeminiDB Redis Instance

Function

This API is used to query hot keys of a GeminiDB Redis instance.

Constraints

This API supports only GeminiDB Redis instances.

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 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

    gaussdbfornosql:instance:getHotKeys

    Read

    instance *

    • g:ResourceTag/<tag-key>
    • g:EnterpriseProjectId

    nosql:instance:getHotKeys

    -

URI

GET /v3/{project_id}/instances/{instance_id}/hot-keys

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 contains 32 characters. Only letters and digits are allowed.

Default Value

N/A

instance_id

Yes

String

Definition

Instance ID. To obtain the value, call the Querying Instances and Details API. If no instance is available, call the Creating an Instance API to create one.

Constraints

N/A

Range

N/A

Default Value

N/A

Table 2 Query parameters

Parameter

Mandatory

Type

Description

offset

No

Integer

Definition

Index position. If offset is set to N, the hot key information is queried from the N+1 piece of data.

Constraints

N/A

Range

≥ 0

Default Value

0

limit

No

Integer

Definition

Maximum records to be queried

Constraints

N/A

Range

1~50

Default Value

50

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

User token

You can obtain the token by calling the IAM API by following Obtaining a User Token Through Password Authentication.

Constraints

N/A

Range

N/A

Default Value

N/A

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

keys

Array of objects in Table 5

Definition

Queried hot keys.

count

Integer

Definition

Total number

Range

N/A

Table 5 HotKeysInfoRsponseBody

Parameter

Type

Description

name

String

Definition

Hot key name

Range

N/A

type

String

Definition

Hot key type

Range

  • string
  • hash
  • list
  • zset
  • set
  • exhash
  • stream

command

String

Definition

Hot key command

Range

N/A

qps

Integer

Definition

Hot key QPS

Range

N/A

db_id

Integer

Definition

Database where a hot key is located

Range

N/A

Example Requests

Querying the first 30 keys (hot keys) in a GeminiDB Redis instance
GET https://{endpoint}/v3/0549b4a43100d4f32f51c01c2fe4acdb/instances/91b5c48e11bf4913b35814f28b8f79f2in12/hot-keys

Example Responses

Status code: 200

Success

{ 
  "keys" : [ { 
    "name" : "address", 
    "type" : "string", 
    "command" : "set", 
    "qps" : 3000, 
    "db_id" : 0 
  } ], 
  "count" : 1 
}

Status Codes

For details, see Status Codes.

Error Codes

For details, see Error Codes.