
add-instance-groups
*******************


DESCRIPTION
===========

add-instance-groups adds an instance group to a running cluster.


SYNOPSIS
========

   aws emr add-instance-groups
     --job-flow-id <value>
     --instance-groups <value>


REQUIRED PARAMETERS
===================

"--job-flow-id"  (string)
   Job flow in which to add the instance groups.

"--instance-groups"  (list)
   Instance Groups to add.

      (structure)
         Configuration defining a new instance group.

         "instance_count"  (integer)
            Target number of instances for the instance group.

         "name"  (string)
            Friendly name given to the instance group.

         "instance_role"  (string)
            The role of the instance group in the cluster.

         "bid_price"  (string)
            Bid price for each Amazon EC2 instance in the instance
            group when launching nodes as Spot Instances, expressed in
            USD.

         "instance_type"  (string)
            The Amazon EC2 instance type for all instances in the
            instance group.

         "market"  (string)
            Market type of the Amazon EC2 instances used to create a
            cluster node.

   *Parameter Syntax*

      [
        {
          "instance_count": integer,
          "name": "string",
          "instance_role": "MASTER"|"CORE"|"TASK",
          "bid_price": "string",
          "instance_type": "string",
          "market": "ON_DEMAND"|"SPOT"
        }
        ...
      ]


OPTIONAL PARAMETERS
===================

None
