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Hello mddreeves,
Thanks for reaching out.
Based on the given scenario, CPU usage during normal operations remains low at approximately 20 percent across 25 instances. This indicates that the application is not making full use of the available computing resources. With Auto Scaling in place, the system adjusts to workload demands in real time. The five Reserved Instances can efficiently support the baseline demand at a lower cost, while the system can scale out to up to 30 instances as needed during peak periods. This means during normal periods, resources aren’t wasted, and during heavy traffic, performance remains stable.
I hope this helps! Let us know if you need further assistance.
Regards,
JR @ Tutorials Dojo