== sanity test 239A: osp_sync test ======================= 23:13:44 (1708834424)
 - open/close 2255 (time 1708834435.88 total 10.00 last 225.48)
 - open/close 4372 (time 1708834445.89 total 20.00 last 211.67)
total: 5000 open/close in 23.19 seconds: 215.58 ops/second
 - unlinked 0 (time 1708834450 ; total 0 ; last 0)
total: 5000 unlinks in 15 seconds: 333.333344 unlinks/second