== sanity test 239A: osp_sync test ======================= 19:06:27 (1746140787)
 - open/close 1471 (time 1746140800.24 total 10.00 last 147.09)
 - open/close 3025 (time 1746140810.24 total 20.01 last 155.32)
 - open/close 4881 (time 1746140820.24 total 30.01 last 185.53)
total: 5000 open/close in 30.61 seconds: 163.34 ops/second
 - unlinked 0 (time 1746140822 ; total 0 ; last 0)
total: 5000 unlinks in 19 seconds: 263.157898 unlinks/second