== sanity test 421d: rmfid en masse ====================== 15:51:46 (1779997906)
 - open/close 701 (time 1779997921.47 total 10.01 last 70.06)
 - open/close 1469 (time 1779997931.47 total 20.01 last 76.80)
 - open/close 2196 (time 1779997941.48 total 30.02 last 72.62)
 - open/close 2942 (time 1779997951.49 total 40.02 last 74.55)
 - open/close 3656 (time 1779997961.49 total 50.03 last 71.37)
total: 4097 open/close in 55.82 seconds: 73.39 ops/second