Modify Instance Groups

emr_modify_instance_groups

R Documentation

ModifyInstanceGroups modifies the number of nodes and configuration settings of an instance group¶

Description¶

ModifyInstanceGroups modifies the number of nodes and configuration settings of an instance group. The input parameters include the new target instance count for the group and the instance group ID. The call will either succeed or fail atomically.

Usage¶

emr_modify_instance_groups(ClusterId, InstanceGroups)

Arguments¶

ClusterId: The ID of the cluster to which the instance group belongs.
InstanceGroups: Instance groups to change.

Value¶

An empty list.

Request syntax¶

svc$modify_instance_groups(
  ClusterId = "string",
  InstanceGroups = list(
    list(
      InstanceGroupId = "string",
      InstanceCount = 123,
      EC2InstanceIdsToTerminate = list(
        "string"
      ),
      ShrinkPolicy = list(
        DecommissionTimeout = 123,
        InstanceResizePolicy = list(
          InstancesToTerminate = list(
            "string"
          ),
          InstancesToProtect = list(
            "string"
          ),
          InstanceTerminationTimeout = 123
        )
      ),
      ReconfigurationType = "OVERWRITE"|"MERGE",
      Configurations = list(
        list(
          Classification = "string",
          Configurations = list(),
          Properties = list(
            "string"
          )
        )
      )
    )
  )
)