You work for a toy company that has a busy online store. As you are approaching christmas you find that your
store is getting more and more traffic. You ensure that the web tier of your store is behind an Auto Scaling
group, however you notice that the web tier is frequently scaling, sometimes multiple times in an hour, only to
scale back after peak usage. You need to prevent this so that Auto Scaling does not scale as rapidly, just to
scale back again. What option would help you to achieve this?
A.
Configure Auto Scaling to terminate your oldest instances first, then adjust your CloudWatch alarm.
B.
Configure Auto Scaling to terminate your newest instances first, then adjust your CloudWatch alarm.
C.
Change your Auto Scaling so that it only scales at scheduled times.
D.
Modify the Auto Scaling group cool-down timers & modify the Amazon CloudWatch alarm period that
triggers your Auto Scaling scale down policy.
Explanation:
D
D