fd transfer

360 Zhihui Cloud Developer

Feb 18, 2020 · Backend Development

Zero‑Downtime Restarts: Transfer Open Sockets via Unix Domain Sockets in Go

This article explains how to achieve graceful, zero‑downtime restarts for long‑living TCP services by passing open file descriptors through a Unix domain socket, allowing new processes to inherit existing connections without interrupting clients, and provides a complete Go demo implementation.