Help Center> Distributed Cache Service> API Reference> Instance Management APIs> Querying Statistics of All Running Instances
View PDF

Querying Statistics of All Running Instances

Function

This API is used to query the statistics of all DCS instances that are in the Running state.

URI

GET /v1.0/{project_id}/instances/statistic

Table 1 describes the parameter.
Table 1 Parameter description

Parameter

Type

Mandatory

Description

project_id

String

Yes

Project ID

Request

Request parameters

None.

Example request

GET https://{dcs_endpoint}/v1.0/{project_id}/instances/statistic

Response

Response parameters

Table 2 describes the response parameter.
Table 2 Parameter description

Parameter

Type

Description

statistics

Array

Statistics of all instances in the Running state. For details, see Table 3.
Table 3 statistics parameter description

Parameter

Type

Description

keys

Integer

Number of cached data records

instance_id

String

DCS instance ID

used_memory

Integer

Size of the used memory in MB

max_memory

Integer

Overall memory size in MB.

cmd_get_count

Integer

Number of times the GET command is run

cmd_set_count

Integer

Number of times the SET command is run

used_cpu

String

Percentage of CPU usage

input_kbps

String

Incoming traffic (kbit/s) of the DCS instance

output_kbps

String

Outgoing traffic (kbit/s) of the DCS instance
Example response 
{
    "statistics" : [{
            "keys" : 0,
            "instance_id" : "e008652d-18e0-43ff-924e-072261e0372a",
            "used_memory" : 0,
            "max_memory" : 460,
            "cmd_get_count" : 0,
            "cmd_set_count" : 0,
            "used_cpu" : "0.0",
            "input_kbps" : "0.0",
            "output_kbps" : "0.0"
        }, {
            "keys" : 0,
            "instance_id" : "c577a1eb-33b7-42c7-8231-ad32358599ac",
            "used_memory" : 0,
            "max_memory" : 460,
            "cmd_get_count" : 0,
            "cmd_set_count" : 0,
            "used_cpu" : "0.0",
            "input_kbps" : "0.0",
            "output_kbps" : "0.0"
        }, {
            "keys" : 0,
            "instance_id" : "e8b98471-55d5-4695-b0bb-8f336a98e207",
            "used_memory" : 0,
            "max_memory" : 460,
            "cmd_get_count" : 0,
            "cmd_set_count" : 0,
            "used_cpu" : "0.0",
            "input_kbps" : "0.03",
            "output_kbps" : "1.19"
        }, {
            "keys" : 0,
            "instance_id" : "bc61c690-4b34-4cbe-9ce3-11246aea7aba",
            "used_memory" : 0,
            "max_memory" : 6963,
            "cmd_get_count" : 0,
            "cmd_set_count" : 0,
            "used_cpu" : "0.0",
            "input_kbps" : "0.0",
            "output_kbps" : "0.0"
        }
    ]
}

Status Code

Table 4 describes the status code of successful operations. For details about other status codes, see Table 1.

Table 4 Status code

Status Code

Description

200

Statistics of all instances queried successfully.
Parent topic: Instance Management APIs