Domain name for API request: emr.intl.tencentcloudapi.com.
This API is used to query metric data on the monitoring overview page.
A maximum of 20 requests can be initiated per second for this API.
The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.
| Parameter Name | Required | Type | Description |
|---|---|---|---|
| Action | Yes | String | Common Params. The value used for this API: DescribeEmrOverviewMetrics. |
| Version | Yes | String | Common Params. The value used for this API: 2019-01-03. |
| Region | Yes | String | Common Params. For more information, please see the list of regions supported by the product. |
| End | Yes | Integer | End time. |
| Metric | Yes | String | Metric name. Valid values: NODE.CPU (average CPU utilization and number of cores of the node), NODE.CPU.SLHBASE (average CPU utilization and total number of CPU cores of the Serverless instance), and HDFS.NN.CAPACITY (storage capacity utilization and total capacity). |
| InstanceId | Yes | String | Cluster ID. |
| Downsample | Yes | String | Granularity, for example, 30s-max, 1m-max, and 1h-max. |
| Start | No | Integer | Start time, which is not required for pie charts. |
| Aggregator | No | String | Aggregation method, which is reserved for scale-out purposes. Currently, this parameter does not need to be passed. |
| Tags | No | String | Specific type of metrics to be queried, for example, "{"type":"CapacityTotal|CapacityRemaining"}". |
| Parameter Name | Type | Description |
|---|---|---|
| Result | Array of OverviewMetricData | Metric data details. |
| RequestId | String | The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem. |
POST / HTTP/1.1
Host: emr.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeEmrOverviewData
<Common request parameters>
{
"End": 1730753724,
"Metric": "NODE.CPU",
"InstanceId": "emr-hvijzo6n",
"Downsample": "30s-min"
}{
"Response": {
"RequestId": "a16d3814-3b85-498a-97a7-15e7b0f0f0bd",
"Result": [
{
"Metric": "EMR.19003289.NODE.CPU",
"Tags": {
"Type": "CPUUsedPercent"
},
"First": 1730148930,
"Last": 1730753700,
"Interval": 30,
"DataPoints": [
"2.3",
"2.4",
"2.6",
"3.8",
"2.8",
"3.1",
"3.4",
"3.3",
"3.6",
"4.3",
"3",
"3.1",
"2.3",
"2.9",
"2.5",
"2.4",
"2.2",
"4.1",
"3.3",
"2.5",
"4.5",
"4.7",
"2.5",
"3.6",
"2.2",
"2.3",
"2.5",
"2.9",
"2.2"
]
},
{
"Metric": "EMR.19003289.NODE.CPU",
"Tags": {
"Type": "CPUCoresTotal",
"Unit": "Cores"
},
"First": 1730148930,
"Last": 1730753700,
"Interval": 30,
"DataPoints": [
"118"
]
}
]
}
}TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.
The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.
| Error Code | Description |
|---|---|
| ResourceNotFound.ClusterNotFound | The instance cannot be found. |
| ResourceNotFound.ResourceNotFound | The monitoring metadata cannot be found. |
| UnauthorizedOperation.AppIdMismatched | APPID mismatch. |
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