aws emr modify-cluster

Modifies the number of steps that can be executed concurrently for the cluster specified using ClusterID


--cluster-id <string>The unique identifier of the cluster
--step-concurrency-level <integer>The number of steps that can be executed concurrently. You can specify a minimum of 1 step and a maximum of 256 steps
--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