Command option Sample:aws emr put-auto-scaling-policy

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Creates or updates an automatic scaling policy for a core instancegroup or task instance group in an Amazon EMR cluster.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/emr/put-auto-scaling-policy.html

aws emr put-auto-scaling-policy --cluster-id j-1EKZ3TYEVF1S2 --instance-group-id ig-3PLUZBA6WLS07 --auto-scaling-policy file://your/path/to/autoscaleconfig.json
    Auto Scaling in Amazon EMR - Amazon EMR : http://docs.aws.amazon.com/de_de/emr/latest/ManagementGuide/emr-automatic-scaling.html
aws emr put-auto-scaling-policy --cluster-id j-1EKZ3TYEVF1S2 --instance-group-id ig-3PLUZBA6WLS07 --auto-scaling-policy file://your/path/to/autoscaleconfig.json
    java - Failed to provision the AutoScaling policy: EMR instance group doesn't exist - Stack Overflow : http://stackoverflow.com/a/48329881

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