== sanity test 239A: osp_sync test ======================= 23:21:20 (1708834880)
 - open/close 2345 (time 1708834892.24 total 10.00 last 234.42)
 - open/close 4478 (time 1708834902.24 total 20.01 last 213.25)
total: 5000 open/close in 22.54 seconds: 221.82 ops/second
 - unlinked 0 (time 1708834906 ; total 0 ; last 0)
total: 5000 unlinks in 12 seconds: 416.666656 unlinks/second