Unclosed event listeners that accumulate over time global variables holding references to large objects circular references preventing garbage collection closures retaining unnecessary scope variables timers and intervals. Learn what node.js memory leaks are Learn about node.js memory leaks and their causes, how to debug and fix them, prevention best practices, methods for monitoring leaks.
What is Node.js? An Overview in 2025
My process runs out of memory node.js (javascript) is a garbage collected language, so having memory leaks is possible through retainers
Learn how to detect, debug, and prevent memory leaks in node.js to ensure optimal application performance.
Node.js memory leaks are sneaky and costly Here’s my personal checklist for finding, debugging, and fixing memory leaks in production — step by step.