Writing

39 long-form articles on production engineering — how real systems fail, why, and what actually fixed them.

2 articles matching “Cold Starts”

Scaling & InfraJul 29, 202620 min read

AWS Lambda Under the Hood: Firecracker, Cold Starts, and the Concurrency Model Nobody Reads the Docs For

Not a "what is Lambda" post. A deep dive into how Lambda actually works: Firecracker microVMs and the Worker/placement fleet, how invocations get routed on the warm vs cold path, and what the INIT phase really does (and…

Scaling & InfraJul 29, 202622 min read

Serverless on AWS in Production — What Nobody Tells You Until It Hurts

Not a "what is serverless" post. The stuff you learn after the demo, from someone who's run it at scale.