== sanity test 421d: rmfid en masse ====================== 01:08:06 (1788844086)
 - open/close 647 (time 1788844102.44 total 10.00 last 64.70)
 - open/close 1391 (time 1788844112.45 total 20.01 last 74.33)
 - open/close 2074 (time 1788844122.46 total 30.02 last 68.22)
 - open/close 2826 (time 1788844132.47 total 40.03 last 75.16)
 - open/close 3490 (time 1788844142.48 total 50.04 last 66.33)
total: 4097 open/close in 57.61 seconds: 71.12 ops/second