== sanity test 239A: osp_sync test ======================= 23:17:26 (1708834646)
 - open/close 4615 (time 1708834657.34 total 10.00 last 461.40)
total: 5000 open/close in 10.95 seconds: 456.77 ops/second
 - unlinked 0 (time 1708834659 ; total 0 ; last 0)
total: 5000 unlinks in 7 seconds: 714.285706 unlinks/second