We Cut Lambda Cold Starts 56% — Three Wrong Turns Before the Real SnapStart Fix
Our /dashboard cold start took 1,124ms. SnapStart was already on, already restoring in ~600ms — and it made zero measurable difference for two deploys, because of a log level and a hook that only half-did its job. Here's the actual debugging path, including the parts that didn't work.
7 min read
EngineeringPerformanceAWS Lambda