== sanity test 421d: rmfid en masse ====================== 10:06:04 (1788617164)
 - open/close 648 (time 1788617179.09 total 10.00 last 64.79)
 - open/close 1270 (time 1788617189.10 total 20.01 last 62.14)
 - open/close 1891 (time 1788617199.11 total 30.02 last 62.03)
 - open/close 2614 (time 1788617209.12 total 40.03 last 72.27)
 - open/close 3270 (time 1788617219.13 total 50.04 last 65.53)
 - open/close 3949 (time 1788617229.15 total 60.06 last 67.75)
total: 4097 open/close in 62.30 seconds: 65.76 ops/second