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 Amazon EMR role.
Contents
- InstanceRole
-
Role of the instance in the cluster.
Starting with Amazon EMR release 5.23.0, the only supported instance role is
MASTER.Type: String
Valid Values:
MASTER | CORE | TASKRequired: Yes
- PlacementStrategy
-
Amazon EC2 Placement Group strategy associated with instance role.
Starting with Amazon EMR release 5.23.0, the only supported placement strategy is
SPREADfor theMASTERinstance role.Type: String
Valid Values:
SPREAD | PARTITION | CLUSTER | NONERequired: No
See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following:
