Class: Aws::EMR::Types::PlacementGroupConfig

Inherits:

Struct

Object
Struct
Aws::EMR::Types::PlacementGroupConfig

show all

Defined in:: gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb

Overview

Note:

When making an API call, you may pass PlacementGroupConfig data as a hash:

{
  instance_role: "MASTER", # required, accepts MASTER, CORE, TASK
  placement_strategy: "SPREAD", # accepts SPREAD, PARTITION, CLUSTER, NONE
}

Placement group configuration for an Amazon EMR cluster. The configuration specifies the placement strategy that can be applied to instance roles during cluster creation.

To use this configuration, consider attaching managed policy AmazonElasticMapReducePlacementGroupPolicy to the EMR role.

Constant Summary collapse

SENSITIVE =

[]

Instance Attribute Summary collapse

#instance_role ⇒ String
Role of the instance in the cluster.
#placement_strategy ⇒ String
EC2 Placement Group strategy associated with instance role.

Instance Attribute Details

#instance_role ⇒ `String`

Role of the instance in the cluster.

Starting with Amazon EMR version 5.23.0, the only supported instance role is MASTER.

Returns:

(String)

# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 5293

class PlacementGroupConfig < Struct.new(
  :instance_role,
  :placement_strategy)
  SENSITIVE = []
  include Aws::Structure
end

#placement_strategy ⇒ `String`

EC2 Placement Group strategy associated with instance role.

Starting with Amazon EMR version 5.23.0, the only supported placement strategy is SPREAD for the MASTER instance role.