What are the most common causes of Node.js memory leaks?

The most frequent culprits are unremoved EventListeners, unbounded caches or arrays, uncleared intervals/timers, and closures that inadvertently retain large objects.

How do I know if my Node.js app has a memory leak?

If the heap memory usage grows monotonically over time and never stabilizes even after traffic stops or GC runs, it is likely a leak. Normal behavior shows periodic drops after GC.

How does this skill help with GC pressure?

It provides scripts to monitor GC pauses using Node.js performance hooks and suggests optimizations like object pooling or adjusting the --max-old-space-size flag.

Can I take a heap snapshot in a production environment?

Yes, you can use signals like SIGUSR2 or expose an administrative endpoint using the v8.writeHeapSnapshot() method to capture snapshots for offline analysis.

Node.js Memory Debugger

Name: Node.js Memory Debugger
Author: chavangorakh1999

bychavangorakh1999

0•

分析と監視

Detects and resolves memory leaks in Node.js applications using heap snapshot analysis and garbage collection diagnosis.

The Memory Debugger skill equips Claude with specialized knowledge to identify, diagnose, and fix memory leaks in Node.js services. It provides step-by-step guidance on monitoring memory growth, generating heap snapshots via multiple methods, and analyzing retention patterns to pinpoint the root cause of Out-of-Memory (OOM) issues. Whether dealing with common EventEmitter leaks, unbounded caches, or complex closure-related retention, this skill helps developers stabilize production services and optimize garbage collection performance through structured reporting and proven fix patterns.

主な機能

01Comparative analysis of memory snapshots to identify retained objects

02Heap snapshot generation via V8 API, signals, and Chrome DevTools

03Garbage Collection (GC) pressure diagnosis and pause time monitoring

040 GitHub stars

05Standardized reporting format for documenting and verifying memory fixes

06Identification of common patterns like EventEmitter and unbounded cache leaks

ユースケース

01Diagnosing a Node.js service that crashes with Out-of-Memory (OOM) errors over time

02Optimizing long-running background workers with creeping memory consumption

03Identifying memory-intensive closures and intervals in legacy codebases

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add chavangorakh1999/sde-skills memory-debug

For use in Claude.ai and ChatGPT

主な機能

01Comparative analysis of memory snapshots to identify retained objects

02Heap snapshot generation via V8 API, signals, and Chrome DevTools

03Garbage Collection (GC) pressure diagnosis and pause time monitoring

040 GitHub stars

05Standardized reporting format for documenting and verifying memory fixes

06Identification of common patterns like EventEmitter and unbounded cache leaks

ユースケース

01Diagnosing a Node.js service that crashes with Out-of-Memory (OOM) errors over time

02Optimizing long-running background workers with creeping memory consumption

03Identifying memory-intensive closures and intervals in legacy codebases

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add chavangorakh1999/sde-skills memory-debug

For use in Claude.ai and ChatGPT