== sanity test 239A: osp_sync test ======================= 16:03:27 (1738962207)
 - open/close 2472 (time 1738962218.56 total 10.00 last 247.14)
 - open/close 4860 (time 1738962228.56 total 20.00 last 238.80)
total: 5000 open/close in 20.59 seconds: 242.89 ops/second
 - unlinked 0 (time 1738962230 ; total 0 ; last 0)
total: 5000 unlinks in 11 seconds: 454.545441 unlinks/second