An Auto Scaling group scales up and down based on Average CPU Utilization. The alarm is set to trigger a scaling event when the Average CPU Utilization exceeds 80% for 5 minutes. Currently, the Average CPU has been 95% for over two hours and new instances are not being added. What could be the issue?
A) A scheduled scaling action has not been defined.
B) In the field Suspend Process, "ReplacesUnhealthy" has been selected.
C) The maximum size of the Auto Scaling group is below or at the current group size.
D) The Health Check Grace Period is set to less than 300 seconds.

Question

Quizplus · Accepted Answer

The maximum size of the Auto Scaling group might be set to a value that is equal to or less than the current number of instances, preventing additional instances from being added even though the CPU utilization is high.

An Auto Scaling Group Scales Up and Down Based on Average