Node.js Memory Leak: Two Weeks to Find One Missing removeListener()

Incident Report: Node.js Memory Leak Analysis Date: 2026-01-20 Severity: P1 (Production Impact) MTTR: 14 days Root Cause: Event listener leak in WebSocket handler Timeline of Events Day 1 - Jan 6, 09:30 UTC Monitoring alerts: API instances restarting every 6 hours Memory usage shows sawtooth pattern (gradual climb, sudden drop) Initial hypothesis: Database connection leak Day 3 - Jan 8 Ruled out database connections (pool metrics normal) Added heap profiling to staging environment Identified EventEmitter instances growing unbounded Day 7 - Jan 13 ...

January 20, 2026 · DevCraft Studio · 4395 views

How I Cut My Debugging Time in Half as a Front-End Developer

Debugging is an essential skill for any developer, but it can be time-consuming. Here are practical strategies that helped me cut my debugging time in half. 1. Use Browser DevTools Effectively Master the Chrome DevTools or Firefox Developer Tools: Breakpoints: Set breakpoints strategically, not just on errors Network Tab: Monitor API calls and identify slow requests Performance Tab: Profile your application to find bottlenecks Console: Use console.table() for better data visualization 2. Leverage AI-Powered Debugging Tools Modern AI tools can significantly speed up debugging: ...

December 9, 2025 · DevCraft Studio · 3715 views