Profiling Node.js Memory Leaks: Deep Dive into V8 Heap Analysis
TL;DR: Identify memory leaks by comparing multiple heap snapshots using Chrome DevTools or the v8 module; focus on "Retained Size" to f…
Tuning Go Garbage Collection Latency with GOGC and GOMEMLIMIT
High tail latency and CPU spikes are common enemies of high-performance Go applications. Often, the culprit is the Go garbage collector (GC) runnin…
Node.js Event Loop: Debugging Blocks with CPU Profiling
Your Node.js application is struggling. You notice that while CPU usage is high, the actual throughput of the server has cratered. Requests that sh…