Raymond Ops

Feb 26, 2025 · Operations

How to Limit CPU Usage for Docker Containers: A Practical Guide

This article explains how to restrict the CPU resources a Docker container can use, covering the modern --cpus flag, older --cpu-period/--cpu-quota options, pinning containers to specific cores with --cpuset-cpus, and adjusting CPU weight with --cpu-shares, all demonstrated with the u‑stress image.