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

Amazon EMR InstanceGroupConfig ScalingTrigger

The ScalingTrigger property type specifies the conditions that trigger an automatic scaling activity. ScalingTrigger is the property type for the Trigger subproperty of the Amazon EMR InstanceGroupConfig ScalingRule property type.

Syntax

JSON

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{ "CloudWatchAlarmDefinition" : CloudWatchAlarmDefinition }

YAML

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CloudWatchAlarmDefinition: CloudWatchAlarmDefinition

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: Amazon EMR InstanceGroupConfig CloudWatchAlarmDefinition

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