Class: Aws::EMR::Types::ScalingRule

Inherits:
Struct
  • Object
show all
Defined in:
gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb

Overview

A scale-in or scale-out rule that defines scaling activity, including the CloudWatch metric alarm that triggers activity, how Amazon EC2 instances are added or removed, and the periodicity of adjustments. The automatic scaling policy for an instance group can comprise one or more automatic scaling rules.

See Also:

Constant Summary collapse

SENSITIVE = 
[]

Instance Attribute Summary collapse

Instance Attribute Details

#action ⇒ Types::ScalingAction

The conditions that trigger an automatic scaling activity.

Returns:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 5697

class ScalingRule < Struct.new(
  :name,
  :description,
  :action,
  :trigger)
  SENSITIVE = []
  include Aws::Structure
end

#description ⇒ String

A friendly, more verbose description of the automatic scaling rule.

Returns:

  • (String) 


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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 5697

class ScalingRule < Struct.new(
  :name,
  :description,
  :action,
  :trigger)
  SENSITIVE = []
  include Aws::Structure
end

#name ⇒ String

The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.

Returns:

  • (String) 


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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 5697

class ScalingRule < Struct.new(
  :name,
  :description,
  :action,
  :trigger)
  SENSITIVE = []
  include Aws::Structure
end

#trigger ⇒ Types::ScalingTrigger

The CloudWatch alarm definition that determines when automatic scaling activity is triggered.

Returns:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/types.rb', line 5697

class ScalingRule < Struct.new(
  :name,
  :description,
  :action,
  :trigger)
  SENSITIVE = []
  include Aws::Structure
end