aws emr put-auto-scaling-policy
Creates or updates an automatic scaling policy for a core instance group or task instance group in an Amazon EMR cluster. The automatic scaling policy defines how an instance group dynamically adds and terminates EC2 instances in response to the value of a CloudWatch metric
Options
| Name | Description |
|---|---|
--cluster-id <string> | Specifies the ID of a cluster. The instance group to which the automatic scaling policy is applied is within this cluster |
--instance-group-id <string> | Specifies the ID of the instance group to which the automatic scaling policy is applied |
--auto-scaling-policy <structure> | Specifies the definition of the automatic scaling policy |
--cli-input-json <string> | Performs service operation based on the JSON string provided. The JSON string follows the format provided by ``--generate-cli-skeleton``. If other arguments are provided on the command line, the CLI values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally |
--generate-cli-skeleton <string> | Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value ``input``, prints a sample input JSON that can be used as an argument for ``--cli-input-json``. If provided with the value ``output``, it validates the command inputs and returns a sample output JSON for that command |