Goroutine context switch overhead
go
dev.to
Why 1,000 Goroutines Sleep on a 16-Core Machine: The Go Scheduler Trap Spinning up thousands of goroutines on a laptop feels like magic because Go's runtime abstracts OS complexity away. However, this psychological safety net becomes a massive liability the moment you deploy high-concurrency services to production. The runtime's performance does not scale linearly with your goroutine count; it scales with how well you understand goroutine context switch overhead and the specific ways c