Why Your Goroutines Need a Speed Limit: Bounded Concurrency in Go

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TL;DR: Spawning go func() without a limiter is a recipe for system collapse. This guide details how to use Semaphores and Worker Pools to prioritize predictable stability over absolute speed, protecting downstream dependencies from the thundering herd. It’s a rite of passage for every Go developer. You receive a list of 10,000 URLs to fetch or 50,000 rows to process. You wrap the workload in…

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