== sanity test 239A: osp_sync test ======================= 19:23:06 (1746141786)
 - open/close 1273 (time 1746141799.01 total 10.00 last 127.29)
 - open/close 2568 (time 1746141809.01 total 20.00 last 129.45)
 - open/close 4087 (time 1746141819.02 total 30.01 last 151.78)
total: 5000 open/close in 36.08 seconds: 138.58 ops/second
 - unlinked 0 (time 1746141826 ; total 0 ; last 0)
total: 5000 unlinks in 18 seconds: 277.777771 unlinks/second