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

Querying the Number of DDS Instance Connections

Function

This API is used to query the number of DDS instance connections.

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/{instance_id}/dds-connection-stat

**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
instance_id	Yes	String	Definition Unique ID of an instance Constraints N/A Range The value can contain 32 characters. Only letters and digits are supported. Default Value N/A

Request Parameters

None

Response Parameters

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
total_connections	Integer	Definition Total number of connections Range N/A
total_inner_connections	Integer	Definition Total number of internal connections Range N/A
total_outer_connections	Integer	Definition Total number of external connections Range N/A
inner_connections	Arrays of Table 3 Objects	Definition Details about internal connections Range N/A
outer_connections	Arrays of Table 3 Objects	Definition Details about external connections Range N/A
inner_connections_size	Integer	Definition Total number of details about internal connections Range N/A
outer_connections_size	Integer	Definition Total number of details about external connections Range N/A

**Table 3** connectionDetail
Parameter	Type	Description
client_ip	String	Definition Client IP address Range N/A
count	Integer	Definition Number of connections Range N/A

Example Requests

GET https://das.cn-north-1.myhuaweicloud.com/v3/052041494800d57c2f02c00275b4c247/instances/9ef7cfff58864138a0adb8b32a97e185in02/dds-connection-stat

Example Responses

Status code: 200

Success.

{
    "total_connections": 51,
    "total_inner_connections": 51,
    "total_outer_connections": 0,
    "inner_connections": [
        {
            "client_ip": "172.16.21.132",
            "count": 19
        },
        {
            "client_ip": "172.16.57.96",
            "count": 17
        },
        {
            "client_ip": "172.16.59.197",
            "count": 15
        }
    ],
    "outer_connections": [],
    "inner_connections_size": 3,
    "outer_connections_size": 0
}

Status Codes

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

Error Codes

See Error Codes.

Parent topic: Intelligent O&M