Alipay Experience Technology

Mar 31, 2022 · Backend Development

Node.js Hot Reload: Hidden Memory & Resource Leaks and How to Prevent Them

This article examines how Node.js hot‑module replacement works, why common tools like decache and clear‑module can still cause memory and resource leaks, demonstrates the problems with concrete code examples and heap snapshots, and offers practical guidance on when hot reload is safe to use.