Diagnosing a 30‑second Nginx start‑up lag on an 8‑core ARM home‑server

The 30‑second Nginx start‑up mystery on an 8‑core ARM box

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.

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