== sanity test 421d: rmfid en masse ====================== 06:17:44 (1788517064)
 - open/close 599 (time 1788517080.04 total 10.00 last 59.89)
 - open/close 1189 (time 1788517090.06 total 20.02 last 58.89)
 - open/close 1749 (time 1788517100.07 total 30.04 last 55.92)
 - open/close 2459 (time 1788517110.08 total 40.04 last 70.98)
 - open/close 3051 (time 1788517120.08 total 50.04 last 59.16)
 - open/close 3646 (time 1788517130.09 total 60.05 last 59.49)
total: 4097 open/close in 67.40 seconds: 60.79 ops/second