== sanity test 421d: rmfid en masse ====================== 11:48:08 (1761320888)
 - open/close 1406 (time 1761320900.32 total 10.00 last 140.59)
 - open/close 2689 (time 1761320910.32 total 20.00 last 128.28)
 - open/close 4047 (time 1761320920.34 total 30.01 last 135.64)
total: 4097 open/close in 30.31 seconds: 135.18 ops/second