Everything in your account is sized for a peak that never comes, because at provision time nobody knows the load, doubling is free-feeling, and after an incident someone doubles again "just in case" and nobody ever walks it back. That's how fleets end up averaging 15% utilization. But rightsizi...
Source: [Dev.to](https://dev.to/zop_8abedcc7e12/cloud-rightsizing-without-breaking-production-gp2-to-gp3-ec2-cpu-baselines-and-gpu-instances-g5-1kk0)