ManagedScalingPolicy - Amazon EMR

ManagedScalingPolicy

Managed scaling policy for an Amazon EMR cluster. The policy specifies the limits for resources that can be added or terminated from a cluster. The policy only applies to the core and task nodes. The master node cannot be scaled after initial configuration.

Contents

ComputeLimits

The Amazon EC2 unit limits for a managed scaling policy. The managed scaling activity of a cluster is not allowed to go above or below these limits. The limit only applies to the core and task nodes. The master node cannot be scaled after initial configuration.

Type: ComputeLimits object

Required: No

ScalingStrategy

Determines whether a custom scaling utilization performance index can be set. Possible values include ADVANCED or DEFAULT.

Type: String

Valid Values: DEFAULT | ADVANCED

Required: No

UtilizationPerformanceIndex

An integer value that represents an advanced scaling strategy. Setting a higher value optimizes for performance. Setting a lower value optimizes for resource conservation. Setting the value to 50 balances performance and resource conservation. Possible values are 1, 25, 50, 75, and 100.

Type: Integer

Valid Range: Minimum value of 1. Maximum value of 100.

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: