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 You open a CPU profile from a Go service that has been running fine for a year. The team finally got around to looking because the autoscaler is adding pods faster than traffic is growing. The flame graph loads. You squint at the top of it and the picture is the same picture you have seen on three other Go services this quarter. The numbers below are a representative pattern. The percentages come from a synthetic profile assembled to illustrate the shape, not a captured trace from one named production service. The point is the cadence ( mallocgc and scanobject dominating) — not the exact figures.…