4 articles tagged #Node.js
Experiencing unexplained CPU spikes in your Node.js service? Learn how to use Clinic.js Flame to identify performance bottlenecks, interpret flame graphs, optimize hot code paths, and improve application responsiveness without relying on guesswork.
Your Node.js service starts fast but gradually consumes more memory until response times increase or the process crashes. Heap snapshots help identify which objects remain in memory and why they aren't being garbage collected. Learn how to use heap snapshots to diagnose memory bloat and eliminate
Prototype pollution is one of the sneakiest JavaScript vulnerabilities — a single crafted payload can silently corrupt shared objects across your entire Node.js app. Learn how attackers trace these paths and how you stop them cold.
Wondering why your setTimeout() callback executes later than expected in Node.js? Learn how event loop blocking occurs, how timers actually work, and practical techniques to prevent delayed execution.