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felhom.eu/documentation/audits/sizing-2026-10-13/evidence/power.json
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Power-off spike (Part A) on the N100: plugswitch, wall-power figures, the hub's view
plugswitch.py refuses 'off' unless 20 s of readings show the N100 is already off (standby + 1 W,
no ping); 7 tests, each check red-proofed. By hand: guest shutdown 12 s, host off, 0.0 W; the hub
stayed silent and 'ONLINE' for 18 min; plug off/on did not start the N100, its power button did
(dashboard in 42 s). Wall figures into SIZING.md 4 and sizing.json power (8.5 / 20.7 / 0.0 W).
2026-10-13 19:15:08 +02:00

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JSON

{
"temp_c_max_during_work": 70.0,
"fan": "not reported",
"cpu_rapl": {
"method": "Intel RAPL package energy (CPU package only) sampled every 5 s on the host — approximate, CPU only, not wall power. The operator had no plug-in meter on 2026-10-13.",
"rest_w": 3.9,
"rest_window": "floor: platform only, 15 min",
"work_w_avg": 12.5,
"work_w_peak_1m": 14.7,
"work_window": "Immich import of 200 photos + all jobs, 411 s"
},
"method": "Wall plug (Tuya Wi-Fi meter plug, read by tinytuya every 2 s, scripts/bench/plugmeter.py) — the whole N100 box: board, SSD, fan and power supply. Measured 2026-10-13 evening, audits/poweroff-2026-10-13/.",
"rest_w": 8.5,
"rest_w_median": 7.2,
"rest_window": "platform + one idle small app (opengist), 10 min, 212 readings; min 6.3, max 19.1 (short bursts)",
"work_w_avg": 20.7,
"work_w_peak_1m": 24.0,
"work_w_max": 25.2,
"work_window": "Immich import of 200 photos + all jobs, 442 s",
"off_w": 0.0,
"off_window": "host powered off (systemctl poweroff), plug on, 18 min, 254 readings — below the plug's 0.1 W step"
}