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How Scaling Down to One Container Solved a Node.js Performance Bottleneck
July 4, 2025

A developer faced a perplexing performance limit in their Node.js game with low CPU usage. The unexpected solution involved scaling down from multiple containers to a single one, revealing a crucial lesson about context switching and premature optimization.

Node.Js Performance Tuning Scaling Docker Context Switching Network I/O Socket.Io Event Loop Bottleneck Architecture