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

Amazon EMR Cluster JobFlowInstancesConfig AutoScalingPolicy Constraints ScalingConstraints

ScalingConstraints is a subproperty of the Amazon EMR Cluster JobFlowInstancesConfig property that specifies the constraints for an Auto Scaling group policy.

Syntax

JSON

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{ "MaxCapacity" : Integer, "MinCapacity" : Integer }

YAML

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MaxCapacity: Integer MinCapacity: Integer

Properties

MaxCapacity

The upper boundary of EC2 instances in an instance group beyond which scaling activities are not allowed to grow. Scale-out activities will not add instances beyond this boundary.

Required: Yes

Type: Integer

MinCapacity

The lower boundary of EC2 instances in an instance group below which scaling activities are not allowed to shrink. Scale-in activities will not terminate instances below this boundary.

Required: Yes

Type: Integer

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