== sanity test 421d: rmfid en masse ====================== 08:07:44 (1764940064)
 - open/close 763 (time 1764940077.36 total 10.00 last 76.29)
 - open/close 1502 (time 1764940087.36 total 20.00 last 73.89)
 - open/close 2221 (time 1764940097.38 total 30.02 last 71.78)
 - open/close 2969 (time 1764940107.38 total 40.02 last 74.77)
 - open/close 3784 (time 1764940117.40 total 50.04 last 81.39)
total: 4097 open/close in 53.27 seconds: 76.92 ops/second