== sanity test 239A: osp_sync test ======================= 09:07:40 (1713445660)
 - open/close 2431 (time 1713445671.77 total 10.00 last 243.09)
 - open/close 4838 (time 1713445681.77 total 20.00 last 240.60)
total: 5000 open/close in 20.67 seconds: 241.85 ops/second
 - unlinked 0 (time 1713445683 ; total 0 ; last 0)
total: 5000 unlinks in 12 seconds: 416.666656 unlinks/second