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Domain name for API request: emr.intl.tencentcloudapi.com.
This API is used to add scaling rules by load and time.
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: AddMetricScaleStrategy. |
| 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. |
| InstanceId | Yes | String | Instance ID. |
| StrategyType | Yes | Integer | 1 indicates scaling by load rules. 2 indicates scaling by time rules. This parameter is required and should match the following rule policy. |
| LoadAutoScaleStrategy | No | LoadAutoScaleStrategy | Load-based scale-out rules. |
| TimeAutoScaleStrategy | No | TimeAutoScaleStrategy | Rule for time-based scaling |
| Parameter Name | Type | Description |
|---|---|---|
| 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: AddMetricScaleStrategy
<Common request parameters>
{
"InstanceId": "emr-123",
"StrategyType": 0,
"LoadAutoScaleStrategy": {
"CalmDownTime": 0,
"ConfigGroupAssigned": "{\"HDFS-3.2.2\":-1,\"YARN-3.2.2\":-1}",
"GraceDownFlag": false,
"GroupId": 109,
"LoadMetricsConditions": {
"LoadMetrics": [
{
"Conditions": [
{
"CompareMethod": 1,
"Threshold": 0
}
],
"LoadMetrics": "AvailableMB#root",
"MetricId": 3,
"StatisticPeriod": 60,
"TriggerThreshold": 1
}
]
},
"Priority": 0,
"MeasureMethod": "INSTANCE",
"ScaleAction": 2,
"ScaleNum": 1,
"StrategyName": "Parallel Load-re04",
"StrategyStatus": 1
},
"TimeAutoScaleStrategy": {
"CompensateFlag": 0,
"ConfigGroupAssigned": "{\"HDFS-3.2.2\":-1,\"YARN-3.2.2\":-1}",
"GraceDownFlag": false,
"GroupId": 27,
"IntervalTime": 0,
"MeasureMethod": "INSTANCE",
"RepeatStrategy": {
"Expire": "2025-11-05 23:59:59",
"NotRepeat": {
"ExecuteAt": "2024-11-05 14:43:00"
},
"RepeatType": "NONE"
},
"Priority": 0,
"RetryValidTime": 60,
"ScaleAction": 1,
"ScaleNum": 10,
"ServiceNodeInfo": [
7
],
"SoftDeployInfo": [
1,
2
],
"StrategyName": "add",
"StrategyStatus": 1,
"TerminatePolicy": "DEFAULT"
}
}{
"Response": {
"RequestId": "e3f82d54-6fa6-49c2-a479-8d2f5cf77f91"
}
}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 |
|---|---|
| FailedOperation.MoreStrategyNotAllowed | No more scaling rules are allowed. |
| InternalError.CamCgwError | An error occurred while calling another service API. |
| InvalidParameter.InvalidCompareMethod | Illegal metric comparison method. |
| InvalidParameter.InvalidConditionNum | At least one trigger condition is required. |
| InvalidParameter.InvalidParamterInvalidSoftInfo | The SoftInfo parameter is invalid. |
| InvalidParameter.InvalidProcessMethod | Illegal metric processing method. |
| InvalidParameter.InvalidScaleAction | Invalid scaling action. |
| InvalidParameter.InvalidSoftWare | Incorrect parameter. |
| InvalidParameter.InvalidStrategy | Parameter error. |
| InvalidParameter.InvalidStrategySpec | Invalid specification. |
| InvalidParameter.InvalidStrategyType | Unsupported scaling policy type. |
| InvalidParameter.InvalidTimeLayout | Parameter error. |
| InvalidParameter.RepeatedExecutionTime | Duplicate execution time. |
| InvalidParameter.RepeatedStrategyName | Repeated scaling rule name. |
| UnauthorizedOperation.CheckCamAuth | Unauthorized operation. |
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