== sanity test 239A: osp_sync test ======================= 20:17:18 (1746145038)
 - open/close 1476 (time 1746145050.39 total 10.00 last 147.56)
 - open/close 2916 (time 1746145060.39 total 20.01 last 143.93)
 - open/close 4417 (time 1746145070.40 total 30.01 last 150.03)
total: 5000 open/close in 34.27 seconds: 145.88 ops/second
 - unlinked 0 (time 1746145076 ; total 0 ; last 0)
total: 5000 unlinks in 17 seconds: 294.117645 unlinks/second