== sanity test 239A: osp_sync test ======================= 10:34:08 (1721226848)
 - open/close 2533 (time 1721226860.36 total 10.00 last 253.29)
 - open/close 4992 (time 1721226870.36 total 20.00 last 245.90)
total: 5000 open/close in 20.03 seconds: 249.62 ops/second
 - unlinked 0 (time 1721226871 ; total 0 ; last 0)
total: 5000 unlinks in 11 seconds: 454.545441 unlinks/second