== sanity test 239A: osp_sync test ======================= 21:05:09 (1746147909)
 - open/close 1972 (time 1746147921.33 total 10.01 last 197.09)
 - open/close 3162 (time 1746147931.33 total 20.01 last 119.00)
 - open/close 4427 (time 1746147941.33 total 30.01 last 126.47)
total: 5000 open/close in 34.49 seconds: 144.95 ops/second
 - unlinked 0 (time 1746147947 ; total 0 ; last 0)
total: 5000 unlinks in 21 seconds: 238.095245 unlinks/second