Heap Profiler

Qunar Tech Salon

Oct 30, 2019 · Backend Development

Diagnosing and Solving Node.js Out‑of‑Memory (OOM) Issues in Production

This article walks through a real‑world Node.js out‑of‑memory crash, explains how to detect the OOM killer via system logs, uses Heap Profiler and process.memoryUsage() to pinpoint memory growth, and presents a practical fix by throttling file‑write operations and improving monitoring.