== sanity test 239A: osp_sync test ======================= 07:07:31 (1715339251)
 - open/close 2401 (time 1715339262.75 total 10.00 last 240.04)
 - open/close 4767 (time 1715339272.76 total 20.01 last 236.51)
total: 5000 open/close in 20.95 seconds: 238.66 ops/second
 - unlinked 0 (time 1715339275 ; total 0 ; last 0)
total: 5000 unlinks in 11 seconds: 454.545441 unlinks/second