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Lorbic · Aug 13, 2026

How Go Channels Actually Work

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A single unbuffered channel send without an active receiver is enough to silently lock up a production worker pool, leaking memory until your service gets killed by the OS kernel. On the surface, Go channels look simple: they synchronize concurrent execution without manual mutex management. But under heavy load, a minor oversight in channel sizing or worker coordination blocks the scheduler, leaks…

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