== sanity test 123aa: verify statahead work ============== 15:58:13 (1776196693)
total: 100 open/close in 2.94 seconds: 34.03 ops/second
llite.lustre-ffff961c84ec0000.statahead_max=0
101

real	0m2.734s
user	0m0.005s
sys	0m0.149s
ls -l 100 files without statahead: 3 sec
llite.lustre-ffff961c84ec0000.statahead_max=32
32
101

real	0m0.512s
user	0m0.004s
sys	0m0.065s
ls -l 100 files with statahead: 0 sec
statahead total: 25
statahead wrong: 0
agl total: 25
 - open/close 514 (time 1776196719.15 total 10.01 last 51.36)
total: 900 open/close in 18.38 seconds: 48.97 ops/second
llite.lustre-ffff961c84ec0000.statahead_max=0
1001

real	0m16.755s
user	0m0.045s
sys	0m1.405s
ls -l 1000 files without statahead: 16 sec
llite.lustre-ffff961c84ec0000.statahead_max=32
32
1001

real	0m3.938s
user	0m0.020s
sys	0m0.397s
ls -l 1000 files with statahead: 4 sec
statahead total: 26
statahead wrong: 0
agl total: 26
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 10 seconds
rm done
statahead total: 26
statahead wrong: 0
agl total: 26