== sanity test 239A: osp_sync test ======================= 00:51:15 (1743742275)
 - open/close 2460 (time 1743742287.47 total 10.00 last 245.92)
 - open/close 4858 (time 1743742297.48 total 20.01 last 239.70)
total: 5000 open/close in 20.62 seconds: 242.48 ops/second
 - unlinked 0 (time 1743742299 ; total 0 ; last 0)
total: 5000 unlinks in 12 seconds: 416.666656 unlinks/second