According to the documentation, Auto Scaling is based on input from CloudWatch (see the dimensions parameter): http://docs.amazonwebservices.com/AutoScaling/lat

According to the documentation, Auto Scaling is based on input from CloudWatch (see the dimensions parameter): http://docs.amazonwebservices.com/AutoScaling/latest/DeveloperGuide/API_CreateOrUpdateScalingTrigger.html http://docs.amazonwebservices.com/AutoScaling/latest/Develop... re: trusting Amazon to scale, as they say in the release notes, they provide a detailed audit of scaling activity. After all the work Amazon has done to help their customers, I doubt they're interested in grabbing a little cash from inappropriate scaling.