== sanity test 421d: rmfid en masse ====================== 08:58:42 (1790686722)
 - open/close 727 (time 1790686738.27 total 10.00 last 72.68)
 - open/close 1367 (time 1790686748.29 total 20.02 last 63.90)
 - open/close 2048 (time 1790686758.30 total 30.03 last 68.05)
 - open/close 2767 (time 1790686768.30 total 40.03 last 71.86)
 - open/close 3508 (time 1790686778.31 total 50.04 last 74.04)
total: 4097 open/close in 58.58 seconds: 69.94 ops/second