== sanity test 239A: osp_sync test ======================= 23:18:58 (1713410338)
 - open/close 2389 (time 1713410349.95 total 10.00 last 238.82)
 - open/close 4749 (time 1713410359.95 total 20.01 last 235.95)
total: 5000 open/close in 21.06 seconds: 237.38 ops/second
 - unlinked 0 (time 1713410362 ; total 0 ; last 0)
total: 5000 unlinks in 11 seconds: 454.545441 unlinks/second