== sanity test 239A: osp_sync test ======================= 23:07:14 (1708834034)
 - open/close 2548 (time 1708834046.08 total 10.00 last 254.73)
 - open/close 4810 (time 1708834056.09 total 20.01 last 226.09)
total: 5000 open/close in 20.90 seconds: 239.26 ops/second
 - unlinked 0 (time 1708834058 ; total 0 ; last 0)
total: 5000 unlinks in 14 seconds: 357.142853 unlinks/second