== sanity test 239A: osp_sync test ======================= 20:14:45 (1746144885)
 - open/close 1116 (time 1746144897.84 total 10.00 last 111.56)
 - open/close 2210 (time 1746144907.85 total 20.01 last 109.31)
 - open/close 3205 (time 1746144917.86 total 30.03 last 99.37)
 - open/close 4299 (time 1746144927.87 total 40.03 last 109.32)
total: 5000 open/close in 45.44 seconds: 110.03 ops/second
 - unlinked 0 (time 1746144935 ; total 0 ; last 0)
total: 5000 unlinks in 24 seconds: 208.333328 unlinks/second