https://mrtomlinux.org/tags/arm/ Recent content in Arm on Linux Café Hugo en Tue, 27 Oct 2026 11:15:20 +0200 https://mrtomlinux.org/post/2026-10-27-diagnosing-a-30second-nginx-startup-lag-on-an/ Tue, 27 Oct 2026 11:15:20 +0200 https://mrtomlinux.org/post/2026-10-27-diagnosing-a-30second-nginx-startup-lag-on-an/ <h2 id="the-30second-nginx-startup-mystery-on-an-8core-arm-box">The 30‑second Nginx start‑up mystery on an 8‑core ARM box</h2> <p>I had a clean 8‑core ARM server (Cortex‑A72, 4 GB RAM) running Debian 12. Nginx was the only service that took longer than a couple of seconds to come up. The log said “started” after 30 s, but the system was idle otherwise. I wanted to know why a stateless web server was so slow to boot on a modern CPU.</p>