== sanity test 239A: osp_sync test ======================= 21:51:44 (1712022704)
 - open/close 1419 (time 1712022716.07 total 10.01 last 141.79)
 - open/close 2639 (time 1712022726.08 total 20.02 last 121.84)
 - open/close 3706 (time 1712022736.09 total 30.03 last 106.63)
 - open/close 4663 (time 1712022746.09 total 40.03 last 95.67)
total: 5000 open/close in 43.70 seconds: 114.41 ops/second
 - unlinked 0 (time 1712022751 ; total 0 ; last 0)
total: 5000 unlinks in 28 seconds: 178.571426 unlinks/second