== sanity test 56Aa: lfs find --size under striped dir === 07:59:18 (1787313558)
 - open/close 503 (time 1787313573.42 total 10.02 last 50.21)
 - open/close 980 (time 1787313583.44 total 20.03 last 47.63)
total: 1024 open/close in 20.71 seconds: 49.45 ops/second