== sanity test 239A: osp_sync test ======================= 07:30:37 (1712143837)
 - open/close 2463 (time 1712143849.04 total 10.00 last 246.27)
 - open/close 4624 (time 1712143859.04 total 20.00 last 216.09)
total: 5000 open/close in 21.84 seconds: 228.97 ops/second
 - unlinked 0 (time 1712143862 ; total 0 ; last 0)
total: 5000 unlinks in 14 seconds: 357.142853 unlinks/second