https://www.pistack.xyz/tags/cpu-affinity/ Recent content in Cpu-Affinity on Pi Stack Hugo en-us Sat, 23 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-23-self-hosted-linux-cpu-affinity-management-taskset-numactl-cset-guide/ Sat, 23 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-23-self-hosted-linux-cpu-affinity-management-taskset-numactl-cset-guide/ <p>CPU affinity controls which processor cores execute specific processes on a Linux system. On multi-core servers running database engines, web servers, or real-time applications, improper CPU affinity can cause cache thrashing, NUMA penalties, and unpredictable latency. This guide compares three tools for managing CPU affinity on self-hosted Linux servers: <strong>taskset</strong> (process-level pinning), <strong>numactl</strong> (NUMA-aware placement), and <strong>cset</strong> (advanced CPU set management with shielding).</p>