== sanity test 239A: osp_sync test ======================= 02:15:58 (1746166558)
 - open/close 1352 (time 1746166570.40 total 10.00 last 135.14)
 - open/close 2703 (time 1746166580.40 total 20.01 last 135.08)
 - open/close 4159 (time 1746166590.42 total 30.02 last 145.36)
total: 5000 open/close in 36.02 seconds: 138.79 ops/second
 - unlinked 0 (time 1746166598 ; total 0 ; last 0)
total: 5000 unlinks in 18 seconds: 277.777771 unlinks/second