== sanity test 421d: rmfid en masse ====================== 17:25:24 (1788643524)
 - open/close 662 (time 1788643539.42 total 10.00 last 66.19)
 - open/close 1270 (time 1788643549.44 total 20.01 last 60.72)
 - open/close 1964 (time 1788643559.45 total 30.03 last 69.29)
 - open/close 2685 (time 1788643569.45 total 40.03 last 72.10)
 - open/close 3350 (time 1788643579.46 total 50.04 last 66.44)
 - open/close 4037 (time 1788643589.47 total 60.05 last 68.62)
total: 4097 open/close in 61.01 seconds: 67.16 ops/second