AWS CloudFormation
User Guide (Version )

The AWS Documentation website is getting a new look!
Try it now and let us know what you think. Switch to the new look >>

You can return to the original look by selecting English in the language selector above.

AWS::EMR::Cluster ScalingTrigger

ScalingTrigger is a subproperty of the ScalingRule property type. ScalingTrigger determines the conditions that trigger an automatic scaling activity.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

Properties

CloudWatchAlarmDefinition

The definition of a CloudWatch metric alarm. When the defined alarm conditions are met along with other trigger parameters, scaling activity begins.

Required: Yes

Type: CloudWatchAlarmDefinition

Update requires: No interruption

On this page: