== sanity test 239A: osp_sync test ======================= 17:10:15 (1713215415)
 - open/close 2476 (time 1713215427.08 total 10.00 last 247.54)
 - open/close 4914 (time 1713215437.08 total 20.00 last 243.77)
total: 5000 open/close in 20.33 seconds: 245.97 ops/second
 - unlinked 0 (time 1713215438 ; total 0 ; last 0)
total: 5000 unlinks in 11 seconds: 454.545441 unlinks/second