⚙️ DevOps & Platform Eng

Why Puppeteer's 'Simple' Memory Leaks Are Killing Your Node.js Containers

Your Puppeteer bot runs fine for 10 minutes, then balloons to 2GB and gets OOM-killed. Sound familiar? Time to profile like a pro, not guess.

DevTools Feed Apr 03, 2026 3 min read

Read in: Deutsch English Español Français Italiano 日本語 한국어 Português (BR) Русский Türkçe

⚡ Key Takeaways

Puppeteer's leaks hide in Chrome child processes, not Node heap – monitor RSS and external first.
Use JSONL time-series tracking and heap diffs to pinpoint retainers like rogue pages.
Recycle browsers, ruthless page closes, and lean args prevent 90% of OOM kills.

Published by

Ship faster. Build smarter.

#Node.js profiling #heap snapshots #memory leaks #puppeteer

Get the best Developer Tools stories of the week in your inbox — no noise, no spam.

Originally reported by dev.to