== sanity test 421d: rmfid en masse ====================== 10:18:48 (1761315528)
 - open/close 650 (time 1761315542.30 total 10.00 last 64.97)
 - open/close 1296 (time 1761315552.33 total 20.03 last 64.43)
 - open/close 1974 (time 1761315562.34 total 30.04 last 67.72)
 - open/close 2656 (time 1761315572.35 total 40.06 last 68.11)
 - open/close 3320 (time 1761315582.36 total 50.06 last 66.34)
 - open/close 4022 (time 1761315592.38 total 60.08 last 70.11)
total: 4097 open/close in 61.13 seconds: 67.03 ops/second