== sanity test 123aa: verify statahead work ============== 18:31:44 (1776205904)
striped dir -i1 -c2 -H crush /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.84 seconds: 54.22 ops/second
llite.lustre-ffff926a07911000.statahead_max=0
101

real	0m1.579s
user	0m0.002s
sys	0m0.128s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff926a07911000.statahead_max=32
32
101

real	0m0.436s
user	0m0.003s
sys	0m0.065s
ls -l 100 files with statahead: 0 sec
statahead total: 26
statahead wrong: 0
agl total: 26
 - open/close 677 (time 1776205925.74 total 10.00 last 67.68)
total: 900 open/close in 13.80 seconds: 65.23 ops/second
llite.lustre-ffff926a07911000.statahead_max=0
1001

real	0m17.042s
user	0m0.029s
sys	0m1.159s
ls -l 1000 files without statahead: 17 sec
llite.lustre-ffff926a07911000.statahead_max=32
32
1001

real	0m3.193s
user	0m0.020s
sys	0m0.361s
ls -l 1000 files with statahead: 3 sec
statahead total: 27
statahead wrong: 0
agl total: 27
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 12 seconds
rm done
statahead total: 27
statahead wrong: 0
agl total: 27