== sanity test 421d: rmfid en masse ====================== 22:09:29 (1763348969)
 - open/close 670 (time 1763348983.40 total 10.01 last 66.96)
 - open/close 1359 (time 1763348993.41 total 20.01 last 68.86)
 - open/close 2059 (time 1763349003.43 total 30.04 last 69.84)
 - open/close 2710 (time 1763349013.45 total 40.05 last 65.02)
 - open/close 3395 (time 1763349023.46 total 50.07 last 68.37)
 - open/close 3986 (time 1763349033.47 total 60.07 last 59.08)
total: 4097 open/close in 61.98 seconds: 66.10 ops/second