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AWS CloudFormation
User Guide (API Version 2010-05-15)

Amazon EMR Cluster AutoScalingPolicy

AutoScalingPolicy is a subproperty of the Amazon EMR Cluster InstanceGroupConfig property type that specifies the constraints and rules for an Auto Scaling group policy. For more information, see PutAutoScalingPolicy in the Amazon EMR API Reference.

Syntax

JSON

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{ "Constraints" : ScalingConstraints, "Rules" : ScalingRule }

YAML

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Constraints: - ScalingConstraints Rules: - ScalingRule

Properties

Constraints

The upper and lower Amazon EC2 instance limits for an automatic scaling policy. Automatic scaling activity will not cause an instance group to grow above or below these limits.

Required: Yes

Type: Amazon EMR Cluster ScalingConstraints

Rules

The scale-in and scale-out rules that comprise the automatic scaling policy.

Required: Yes

Type: Amazon EMR Cluster ScalingRule

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