== sanity test 123aa: verify statahead work ============== 08:16:47 (1764940607)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.03 seconds: 96.83 ops/second
llite.lustre-ffff9ecccaa71800.statahead_max=0
101

real	0m0.976s
user	0m0.005s
sys	0m0.140s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff9ecccaa71800.statahead_max=32
32
101

real	0m0.221s
user	0m0.005s
sys	0m0.049s
ls -l 100 files with statahead: 0 sec
statahead total: 26
statahead wrong: 0
agl total: 26
total: 900 open/close in 9.38 seconds: 95.97 ops/second
llite.lustre-ffff9ecccaa71800.statahead_max=0
1001

real	0m9.573s
user	0m0.032s
sys	0m1.244s
ls -l 1000 files without statahead: 10 sec
llite.lustre-ffff9ecccaa71800.statahead_max=32
32
1001

real	0m1.276s
user	0m0.018s
sys	0m0.445s
ls -l 1000 files with statahead: 1 sec
statahead total: 27
statahead wrong: 0
agl total: 27
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 4 seconds
rm done
statahead total: 27
statahead wrong: 0
agl total: 27