AWS Documentation » AWS CloudFormation » User Guide » Template Reference » Resource Property Types Reference » Application Auto Scaling ScalingPolicy TargetTrackingScalingPolicyConfiguration

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Application Auto Scaling ScalingPolicy TargetTrackingScalingPolicyConfiguration

Use the TargetTrackingScalingPolicyConfiguration property to configure a target tracking scaling policy. Use it to adjust upward or downward in response to actual workloads, so that capacity utilization remains at or near your target utilization. TargetTrackingScalingPolicyConfiguration is a property of the AWS::ApplicationAutoScaling::ScalingPolicy resource. For more information, see PutScalingPolicy in the Application Auto Scaling API Reference.

Syntax

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

JSON

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{
  "CustomizedMetricSpecification" : CustomizedMetricSpecification,
  "PredefinedMetricSpecification" : PredefinedMetricSpecification,
  "ScaleInCooldown" : Integer,
  "ScaleOutCooldown" : Integer,
  "TargetValue" : Double
}

YAML

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CustomizedMetricSpecification:
  CustomizedMetricSpecification
PredefinedMetricSpecification:
  PredefinedMetricSpecification
ScaleInCooldown: Integer
ScaleOutCooldown: Integer
TargetValue: Double

Properties

For more information about each property, including constraints and valid values, see TargetTrackingScalingPolicyConfiguration in the Application Auto Scaling API Reference.

CustomizedMetricSpecification

This property is reserved for future use.

Required: No

Type: Application Auto Scaling ScalingPolicy CustomizedMetricSpecification

Update requires: No interruption

PredefinedMetricSpecification

A predefined metric.

Required: No

Type: Application Auto Scaling ScalingPolicy PredefinedMetricSpecification

Update requires: No interruption

ScaleInCooldown

The amount of time, in seconds, after a scale in activity completes before another scale in activity can start.

Required: No

Type: Integer

Update requires: No interruption

ScaleOutCooldown

The amount of time, in seconds, after a scale out activity completes before another scale out activity can start.

Required: No

Type: Integer

Update requires: No interruption

TargetValue

The target value for the metric.

Required: Yes

Type: Double

Update requires: No interruption