== sanity test 239A: osp_sync test ======================= 08:37:53 (1726835873)
 - open/close 1707 (time 1726835885.12 total 10.00 last 170.67)
 - open/close 3456 (time 1726835895.12 total 20.00 last 174.84)
total: 5000 open/close in 29.12 seconds: 171.73 ops/second
 - unlinked 0 (time 1726835906 ; total 0 ; last 0)
total: 5000 unlinks in 17 seconds: 294.117645 unlinks/second