== sanity test 421d: rmfid en masse ====================== 21:23:53 (1746149033)
 - open/close 643 (time 1746149046.80 total 10.02 last 64.20)
 - open/close 1326 (time 1746149056.81 total 20.02 last 68.25)
 - open/close 2041 (time 1746149066.82 total 30.03 last 71.44)
 - open/close 2861 (time 1746149076.83 total 40.04 last 81.90)
 - open/close 3830 (time 1746149086.83 total 50.05 last 96.88)
total: 4097 open/close in 53.01 seconds: 77.29 ops/second