Go Memory Leak Triage in Production: pprof + FlameGraph Step by Step

If your Go service RSS keeps climbing, drops after restart, then climbs again, you likely have a memory retention problem (or an actual leak pattern). Do not start with random code edits. Run a clean evidence chain: metrics trend check → pprof snapshots → FlameGraph comparison → object growth path → regression validation. ...

February 14, 2026 · 3 min · mengboy

Go 服务内存泄漏定位实战:pprof + FlameGraph 一次找准

线上 Go 服务 RSS 一路涨,重启后短暂恢复,过几小时继续涨——这就是典型“疑似内存泄漏”场景。 别先拍脑袋改代码,先把证据链跑通:监控确认 → pprof 采样 → FlameGraph 对比 → 定位对象增长路径 → 回归验证。这套流程跑完,基本能把“玄学泄漏”打成“可复现 bug”。 ...

February 14, 2026 · 3 min · mengboy