== sanity test 421d: rmfid en masse ====================== 13:02:40 (1788541360)
 - open/close 624 (time 1788541376.29 total 10.03 last 62.24)
 - open/close 1252 (time 1788541386.29 total 20.03 last 62.80)
 - open/close 1890 (time 1788541396.30 total 30.03 last 63.77)
 - open/close 2415 (time 1788541406.30 total 40.03 last 52.50)
 - open/close 3039 (time 1788541416.30 total 50.03 last 62.39)
 - open/close 3710 (time 1788541426.30 total 60.04 last 67.06)
total: 4097 open/close in 66.14 seconds: 61.94 ops/second