== sanity test 421d: rmfid en masse ====================== 10:39:34 (1788187174)
 - open/close 591 (time 1788187191.00 total 10.01 last 59.03)
 - open/close 1229 (time 1788187201.00 total 20.01 last 63.78)
 - open/close 1824 (time 1788187211.01 total 30.02 last 59.44)
 - open/close 2440 (time 1788187221.03 total 40.04 last 61.50)
 - open/close 3125 (time 1788187231.03 total 50.05 last 68.47)
 - open/close 3797 (time 1788187241.05 total 60.06 last 67.09)
total: 4097 open/close in 64.33 seconds: 63.69 ops/second