This is the new CloudFormation Template Reference Guide. Please update your bookmarks and links. For help getting started with CloudFormation, see the AWS CloudFormation User Guide.
AWS::CloudWatch::Alarm WarmUpConfiguration
The configuration settings that define the warm-up behavior for an alarm. Use these settings to delay alarm evaluation after you create or update the alarm, which reduces alarm noise while a new resource or service starts publishing data.
During the warm-up period, the alarm stays in INSUFFICIENT_DATA and
does not perform alarm actions.
Syntax
To declare this entity in your CloudFormation template, use the following syntax:
JSON
{ "OnlyStartEvaluatingAfterWarmUpPeriodEnds" :Boolean, "WarmUpPeriodDurationInMinutes" :Integer}
YAML
OnlyStartEvaluatingAfterWarmUpPeriodEnds:BooleanWarmUpPeriodDurationInMinutes:Integer
Properties
OnlyStartEvaluatingAfterWarmUpPeriodEnds-
Specifies whether the alarm waits for the full warm-up period before it starts to evaluate. The default is
false. Iftrue, the alarm waits the entireWarmUpPeriodDurationInMinutesbefore it starts to evaluate, even if metric data arrives earlier. Iffalse, the alarm ends the warm-up period early. Evaluation begins as soon as the alarm has enough metric data to fill its evaluation window.Required: No
Type: Boolean
Update requires: No interruption
WarmUpPeriodDurationInMinutes-
The length of the warm-up period, in minutes. After you create or update the alarm, the alarm stays in
INSUFFICIENT_DATAfor this duration. During this time, the alarm does not perform alarm actions.You can change this value at any time, including after the warm-up period ends. If you change it after the warm-up period ends, the new value does not restart the warm-up period.
Required: No
Type: Integer
Minimum:
1Maximum:
2880Update requires: No interruption
