AWS - Cost Optimization
You have an EC2 instance running at 10% CPU most of the time. What is the likely output of a right-sizing recommendation script?
You have an EC2 instance running at 10% CPU most of the time. What is the likely output of a right-sizing recommendation script?
medium📝 service behavior Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze CPU usage data
10% CPU usage means the instance is underutilized and likely oversized.Step 2: Determine right-sizing action
Underutilization suggests downgrading to a smaller instance to save cost.Final Answer:
Recommend downgrading to a smaller instance type -> Option DQuick Check:
Low CPU usage = downsize instance [OK]
Quick Trick: Low CPU means smaller instance recommended [OK]
Common Mistakes:
- Choosing to upgrade when usage is low
- Thinking no change is needed despite low usage
- Confusing termination with right-sizing
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