A senior backend engineer's field notes on lock contention, goroutine leaks, semaphores, pprof, and production-grade Go concurrency patterns.
Go makes concurrency look simple.
You write:
go func() {
// do something concurrently
}()
The Quest Begins (The “Why”) I still remember the first time I tried to make a Go program...
Handling concurrency is one of the most critical decisions in modern software architecture. When...
Goroutine leaks pass every test until prod runs out of memory. Wire goleak into TestMain and read the stack back to the guilty go…
When building high-concurrency backend services, two ecosystems dominate the conversation: Node.js...
The Go proverb in practice: when a channel that transfers ownership beats a mutex that guards state, and how to pick per…
Graceful shutdown, middleware stack, circuit breaker, structured logging. The Go patterns that survived months of regulated…
