50,000 Goroutines Took Down Prod at 3 AM. The Fix Is One Line

Book: The Complete Guide to Go Programming Also by me: Thinking in Go (2-book series) — Complete Guide to Go Programming + Hexagonal Architecture in Go My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub What follows is a composite incident. The shape is real and it has played out at multiple Go shops; there's a public writeup of essentially the same outage , and Uber's research team published a paper on how this e