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50,000 Go goroutines crashed production at 3 AM: one-line fix

A Go goroutine leak escalated until exhausting system resources, crashing a production application at night.

Published 15sem1 sourceNotable
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The fact

The fix amounts to one line of code: properly closing channels to allow the garbage collector to free memory.

The incident emphasizes the importance of managing concurrent resources in Go, particularly critical in high-load systems.

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Observed impact

Paralysie application production

Nécessité d'améliorer monitoring des goroutines

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Auto-synthesis from 1 media source · identified on April 29, 2026
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