== sanity test 239A: osp_sync test ======================= 12:22:28 (1737134548)
 - open/close 2600 (time 1737134559.62 total 10.00 last 259.91)
 - open/close 4462 (time 1737134569.62 total 20.00 last 186.19)
total: 5000 open/close in 22.91 seconds: 218.21 ops/second
 - unlinked 0 (time 1737134574 ; total 0 ; last 0)
total: 5000 unlinks in 14 seconds: 357.142853 unlinks/second