== sanity test 421d: rmfid en masse ====================== 12:15:39 (1789056939)
 - open/close 741 (time 1789056954.56 total 10.00 last 74.08)
 - open/close 1315 (time 1789056964.56 total 20.00 last 57.39)
 - open/close 1797 (time 1789056974.58 total 30.03 last 48.09)
 - open/close 2233 (time 1789056984.63 total 40.07 last 43.41)
 - open/close 2715 (time 1789056994.63 total 50.07 last 48.19)
 - open/close 3389 (time 1789057004.64 total 60.08 last 67.34)
total: 4097 open/close in 68.24 seconds: 60.04 ops/second