== sanity test 56Aa: lfs find --size under striped dir === 09:07:57 (1790687277)
 - open/close 391 (time 1790687295.95 total 10.02 last 39.01)
 - open/close 723 (time 1790687305.95 total 20.03 last 33.18)
total: 1024 open/close in 27.22 seconds: 37.61 ops/second