AWS::CloudWatch::Alarm MetricStat
This structure defines the metric to be returned, along with the statistics, period, and units.
MetricStat
is a property of the
MetricDataQuery property type.
Syntax
To declare this entity in your AWS CloudFormation template, use the following syntax:
Properties
Metric

The metric to return, including the metric name, namespace, and dimensions.
Required: Yes
Type: Metric
Update requires: No interruption
Period

The granularity, in seconds, of the returned data points. For metrics with regular resolution, a period can be as short as one minute (60 seconds) and must be a multiple of 60. For highresolution metrics that are collected at intervals of less than one minute, the period can be 1, 5, 10, 30, 60, or any multiple of 60. Highresolution metrics are those metrics stored by a
PutMetricData
call that includes aStorageResolution
of 1 second.If the
StartTime
parameter specifies a time stamp that is greater than 3 hours ago, you must specify the period as follows or no data points in that time range is returned:
Start time between 3 hours and 15 days ago  Use a multiple of 60 seconds (1 minute).

Start time between 15 and 63 days ago  Use a multiple of 300 seconds (5 minutes).

Start time greater than 63 days ago  Use a multiple of 3600 seconds (1 hour).
Required: Yes
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.
Required: Yes
Type: String
Update requires: No interruption
Unit

The unit to use for the returned data points.
Valid values are: Seconds, Microseconds, Milliseconds, Bytes, Kilobytes, Megabytes, Gigabytes, Terabytes, Bits, Kilobits, Megabits, Gigabits, Terabits, Percent, Count, Bytes/Second, Kilobytes/Second, Megabytes/Second, Gigabytes/Second, Terabytes/Second, Bits/Second, Kilobits/Second, Megabits/Second, Gigabits/Second, Terabits/Second, Count/Second, or None.
Required: No
Type: String
Allowed values:
Seconds  Microseconds  Milliseconds  Bytes  Kilobytes  Megabytes  Gigabytes  Terabytes  Bits  Kilobits  Megabits  Gigabits  Terabits  Percent  Count  Bytes/Second  Kilobytes/Second  Megabytes/Second  Gigabytes/Second  Terabytes/Second  Bits/Second  Kilobits/Second  Megabits/Second  Gigabits/Second  Terabits/Second  Count/Second  None
Update requires: No interruption