DevOps Coach
Feb 25, 2026 · Backend Development
Why Your Go Function Returns While Goroutine Stays Alive—and How to Fix It
Even when a Go function returns cleanly, a spawned goroutine can remain blocked on an unbuffered channel after context cancellation, causing leaks that degrade performance under load; this article explains the hidden pitfall, demonstrates the faulty pattern, and provides robust fixes using buffered channels and context-aware goroutine design.
channelcontextgoroutine-leak
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