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server-config/tests/xmrig-auto-pause.nix
Simon Gardling d48f27701f xmrig-auto-pause: add hysteresis to prevent stop/start thrashing
xmrig's RandomX pollutes the L3 cache, making other processes appear
~3-8% busier. With a single 5% threshold for both stopping and
resuming, the script oscillates: start xmrig -> cache pressure
inflates CPU -> stop xmrig -> CPU drops -> restart -> repeat.

Split into CPU_STOP_THRESHOLD (15%) and CPU_RESUME_THRESHOLD (5%).
The stop threshold sits above xmrig's indirect pressure, so only
genuine workloads trigger a pause. The resume threshold confirms the
system is truly idle before restarting.
2026-04-07 01:09:06 -04:00

7.6 KiB