Subsequent CloudWatch Alarm notifications to SNS
问题 When I use CloudWatch alarm to trigger an AutoScaling action, it repeatedly trigger the ASG actions. In other words, a subsequent set of N Alarms with state ALARM will trigger N actions on ASG. This behavior was not observed for a SNS action, instead it's triggering only within the 1st event when the Alarm changes from OK to ALARM. Is it possible achieve the same action behavior on SNS similar to ASG? 回答1: An Amazon CloudWatch alarm will only trigger an Amazon SNS notification when the alarm