== sanity test 421d: rmfid en masse ====================== 04:54:06 (1752483246)
 - open/close 653 (time 1752483260.69 total 10.02 last 65.17)
 - open/close 1311 (time 1752483270.69 total 20.02 last 65.77)
 - open/close 1932 (time 1752483280.70 total 30.03 last 62.06)
 - open/close 2491 (time 1752483290.71 total 40.04 last 55.85)
 - open/close 3103 (time 1752483300.72 total 50.05 last 61.16)
 - open/close 3732 (time 1752483310.73 total 60.06 last 62.83)
total: 4097 open/close in 66.03 seconds: 62.04 ops/second