Asked this over at the AWS forums with no response, so I thought I'd give it a go here.
If I have two auto-scaling priorities: 25% increase 50% increase
And I have two separate alarms on CPU utilization for them: 50% CPU Utilization = 25% increase 75% CPU Utilization = 50% increase
If CPU jumps to 80%, it will trigger both alarms, but will it fire the 50% increase policy or the 25% increase policy? If there are a way to ensure it would fire the 50% increase?
There doesn't seem to be any way to prioritise alarms or policies in this way that I can see.