== sanity test 421d: rmfid en masse ====================== 02:07:42 (1788588462)
 - open/close 621 (time 1788588478.09 total 10.00 last 62.08)
 - open/close 1401 (time 1788588488.11 total 20.02 last 77.86)
 - open/close 2108 (time 1788588498.12 total 30.03 last 70.65)
 - open/close 2823 (time 1788588508.14 total 40.05 last 71.37)
 - open/close 3371 (time 1788588518.15 total 50.06 last 54.72)
total: 4097 open/close in 59.48 seconds: 68.88 ops/second