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 /v2/{project_id}/instances/statistic

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Parameter description: Project ID. For details, see Obtaining a Project ID. Constraints: N/A. Value range: N/A. Default value: N/A.

Request Parameters

None

Response Parameters

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
statistics	Array of InstanceStatistic objects	Parameter description: Statistics of all instances in the Running state. Value range: N/A.

**Table 3** InstanceStatistic
Parameter	Type	Description
input_kbps	String	Parameter description: Incoming traffic (Kbit/s) of the DCS instance. Value range: N/A.
output_kbps	String	Parameter description: Outgoing traffic (Kbit/s) of the DCS instance. Value range: N/A.
instance_id	String	Parameter description: Instance ID. Value range: N/A.
keys	Long	Parameter description: Number of cached data records. Value range: N/A.
used_memory	Long	Parameter description: Used memory size in MB. Value range: N/A.
max_memory	Long	Parameter description: Total memory size in MB. Value range: N/A.
cmd_get_count	Long	Parameter description: Number of times the GET command is run. Value range: N/A.
cmd_set_count	Long	Parameter description: Number of times the SET command is run. Value range: N/A.
used_cpu	String	Parameter description: Accumulated CPU time consumed by the cache in the user state and kernel state, in seconds. Value range: N/A.

Status code: 400

**Table 4** Response body parameters
Parameter	Type	Description
error_msg	String	Parameter description: Error message. Value range: N/A.
error_code	String	Parameter description: Error code. Value range: For details, see Error Codes.
error_ext_msg	String	Parameter description: Extended error information. This parameter is not used currently and is set to null. Value range: N/A.

Status code: 500

**Table 5** Response body parameters
Parameter	Type	Description
error_msg	String	Parameter description: Error message. Value range: N/A.
error_code	String	Parameter description: Error code. Value range: For details, see Error Codes.
error_ext_msg	String	Parameter description: Extended error information. This parameter is not used currently and is set to null. Value range: N/A.

Example Requests

GET https://{dcs_endpoint}/v2/{project_id}/instances/statistic

Example Responses

Status code: 200

Instance statistics queried successfully.

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