|CloudWatch Overview / Namespaces, Metrics, and Dimensions|
This section discusses the Auto Scaling metrics and dimensions available to CloudWatch.
|GroupMinSize||The minimum size of the Auto Scaling group.||Count|
|GroupMaxSize||The maximum size of the Auto Scaling group.||Count|
|GroupDesiredCapacity||The number of instances that the Auto Scaling group attempts to maintain.||Count|
|GroupInServiceInstances||The number of instances that are running as part of the Auto Scaling group. This metric does not include instances that are pending or terminating.||Count|
|GroupPendingInstances||The number of instances that are pending. A pending instance is not yet in service. This metric does not include instances that are in service or terminating.||Count|
|GroupTerminatingInstances||The number of instances that are in the process of terminating. This metric does not include instances that are in service or pending.||Count|
|GroupTotalInstances||The total number of instances in the Auto Scaling group. This metric identifies the number of instances that are in service, pending, and terminating.||Count|
The only dimension that Auto Scaling sends to CloudWatch is the name of the Auto Scaling group. This means that all available statistics are filtered by Auto Scaling group name.