== sanity test 421d: rmfid en masse ====================== 12:09:07 (1788278947)
 - open/close 754 (time 1788278962.35 total 10.00 last 75.38)
 - open/close 1655 (time 1788278972.36 total 20.01 last 90.03)
 - open/close 2450 (time 1788278982.36 total 30.01 last 79.48)
 - open/close 3405 (time 1788278992.38 total 40.03 last 95.34)
total: 4097 open/close in 48.05 seconds: 85.26 ops/second