AWS::AutoScaling::ScalingPolicy TargetTrackingMetricStat
This structure defines the CloudWatch metric to return, along with the statistic and unit.
TargetTrackingMetricStat
is a property of the
TargetTrackingMetricDataQuery
object.
For more information about the CloudWatch terminology below, see Amazon CloudWatch concepts in the Amazon CloudWatch User Guide.
Syntax
To declare this entity in your AWS CloudFormation template, use the following syntax:
Properties
Metric
-
The metric to use.
Required: Yes
Type: Metric
Update requires: No interruption
Period
-
The period of the metric in seconds. The default value is 60. Accepted values are 10, 30, and 60. For high resolution metric, set the value to less than 60. For more information, see Create a target tracking policy using high-resolution metrics for faster response.
Required: No
Type: Integer
Minimum:
1
Update requires: No interruption
Stat
-
The statistic to return. It can include any CloudWatch statistic or extended statistic. For a list of valid values, see the table in Statistics in the Amazon CloudWatch User Guide.
The most commonly used metric for scaling is
Average
.Required: Yes
Type: String
Pattern:
[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*
Minimum:
1
Maximum:
100
Update requires: No interruption
Unit
-
The unit to use for the returned data points. For a complete list of the units that CloudWatch supports, see the MetricDatum data type in the Amazon CloudWatch API Reference.
Required: No
Type: String
Update requires: No interruption