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

Amazon EMR Cluster ScalingConstraints

The ScalingConstraints property type specifies the upper and lower Amazon EC2 instance limits for an automatic scaling policy. ScalingConstraints is the property type for the Constraints subproperty of the Amazon EMR Cluster AutoScalingPolicy property type.

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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