“This post will walk you through the performance tuning steps that I took to serve 1.2 million JSON “API” requests per second from a 4 vCPU AWS EC2 instance.”
Four virtual CPUs, 1.2 million requests a second. Most companies throw a fleet of autoscaling instances at a fraction of that load. The gains came from profiling, not from a new framework. The cloud bill is often a measure of how little anyone looked.