== sanity test 421d: rmfid en masse ====================== 14:12:53 (1758737573)
 - open/close 687 (time 1758737587.31 total 10.01 last 68.65)
 - open/close 1345 (time 1758737597.32 total 20.02 last 65.74)
 - open/close 2022 (time 1758737607.32 total 30.02 last 67.68)
 - open/close 2654 (time 1758737617.33 total 40.03 last 63.12)
 - open/close 3245 (time 1758737627.35 total 50.04 last 59.03)
 - open/close 3928 (time 1758737637.36 total 60.05 last 68.24)
total: 4097 open/close in 62.73 seconds: 65.31 ops/second