== sanity test 421d: rmfid en masse ====================== 18:59:45 (1789081185)
 - open/close 801 (time 1789081199.09 total 10.02 last 79.94)
 - open/close 1585 (time 1789081209.09 total 20.02 last 78.40)
 - open/close 2377 (time 1789081219.10 total 30.02 last 79.17)
 - open/close 3155 (time 1789081229.11 total 40.03 last 77.73)
 - open/close 3992 (time 1789081239.12 total 50.04 last 83.62)
total: 4097 open/close in 51.20 seconds: 80.01 ops/second