Architect's Guide

Jun 22, 2026 · Backend Development

How Much Memory Do 1 Million Concurrent Tasks Use Across Different Languages?

This benchmark measures the peak memory consumption of one, ten‑thousand, one‑hundred‑thousand and one‑million concurrent tasks in Rust, Go, Java, C#, Node.js, Python and Elixir, revealing surprising differences such as Go using far more memory than Rust and .NET showing unusually low usage.