== sanity test 239A: osp_sync test ======================= 03:51:49 (1738486309)
 - open/close 2477 (time 1738486321.15 total 10.00 last 247.61)
 - open/close 4944 (time 1738486331.15 total 20.01 last 246.65)
total: 5000 open/close in 20.22 seconds: 247.24 ops/second
 - unlinked 0 (time 1738486332 ; total 0 ; last 0)
total: 5000 unlinks in 11 seconds: 454.545441 unlinks/second