This API is used to query monitoring information about resource pool nodes.

GET /v1/{project_id}/pools/{pool_id}/nodes/{node_ip}/metric-statistic

Table 1 describes the required parameters.

**Table 1** Parameter description
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID
pool_id	Yes	String	ID of a dedicated resource pool
node_ip	Yes	String	IP address of a resource pool node, which is obtained from the response of the pool details query API

Table 2 describes the request parameters.

**Table 2** Parameter description
Parameter	Mandatory	Type	Description
metrics	No	String	Metrics to be queried. Separate metrics by commas (,), for example, CpuUsage,MemUsage. If this parameter is left blank, all metrics are queried. Options: CpuUsage: CPU usage MemUsage: memory usage DiskReadRate: disk read rate DiskWriteRate: disk write rate RecvBytesRate: network receiving rate SendBytesRate: network sending rate GpuUtil: GPU usage GpuMemUsage: GPU memory usage
statistic_type	No	String	Metric statistics method, indicating whether to collect metric statistics based on a single GPU. This parameter applies only to GPU metric statistics. all: Obtain the average value of the metric. each: Obtain the metric monitoring information about each GPU.

Table 3 describes the response parameters.

**Table 3** Parameter description
Parameter	Type	Description
error_message	String	Error message of a failed API call. This parameter is not included when the API call succeeds.
error_code	String	Indicates the error code when the API fails to be called. Error code of a failed API call. For details, see Error Codes. This parameter is not included when the API call succeeds.
metrics	Json Array	Metric monitoring details. For details, see Table 4.
interval	Integer	Query interval, in minutes.

**Table 4** metrics data structure
Parameter	Type	Description
metric	String	Monitoring metrics
value	Json Array	Sequence of the obtained metric value. The element is of the String type.

The following example queries monitoring information about node 192.168.1.1 in the dedicated resource pool poolabcd.

Sample request

GET    https://endpoint/v1/{project_id}/pools/poolabcd/nodes/192.168.1.1/metric-statistic

Successful sample response

{
  "metrics":
  [
    {
       "metric":"gpuUtil",
       "value":["1","22","33"]
     }
  ],
  "interval" : 1
}

Failed sample response

{
    "error_message": "Error string",
    "error_code": "ModelArts.0105"
}

For details about the status code, see Status Code.

Querying Monitoring Information About Resource Pool Nodes