nodejsjavascriptbackend
12 min readNode.js Cluster Mode: Stop Wasting CPU Cores 🚀
Think your Node.js server is using all 8 CPU cores? Think again! By default, Node.js runs on ONE core while the other 7 watch Netflix. Let's fix that with cluster mode - the built-in feature that turns your server into a multi-core beast!
Feb 06, 2026