360 Quality & Efficiency
Apr 24, 2020 · Backend Development
Root Cause Analysis of Connection Reset by Peer in a Go Backend Service
This article details a production incident where a Go backend service returned "connection reset by peer" due to exhausted process file descriptors caused by a saturated database connection pool, and describes the step‑by‑step troubleshooting, socket internals, and the eventual fix.
Connection ResetDatabase Connection PoolGo
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