== sanity test 56Aa: lfs find --size under striped dir === 08:59:25 (1786021165)
 - open/close 464 (time 1786021180.74 total 10.03 last 46.26)
 - open/close 968 (time 1786021190.75 total 20.04 last 50.33)
total: 1024 open/close in 21.27 seconds: 48.14 ops/second