Explanation: AWS Auto Scaling supports both detailed as well as basic monitoring of the CloudWatch metrics. Basic monitoring happens every 5 minutes, while detailed monitoring happens every minute. It supports 8 metrics and 1 dimension. The metrics are: GroupMinSize GroupMaxSize GroupDesiredCapacity GroupInServiceInstances GroupPendingInstances GroupStandbyInstances GroupTerminatingInstances GroupTotalInstances The dimension is AutoScalingGroupName
Reference:
http://docs.aws.amazon.com/AmazonCloudWatch/latest/DeveloperGuide/s…