== sanity test 123aa: verify statahead work ============== 11:20:13 (1761319213)
striped dir -i1 -c2 -H crush /mnt/lustre/d123aa.sanity
total: 100 open/close in 0.96 seconds: 104.50 ops/second
llite.lustre-ffff8f54d0e2d000.statahead_max=0
101

real	0m0.921s
user	0m0.004s
sys	0m0.129s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff8f54d0e2d000.statahead_max=32
32
101

real	0m0.223s
user	0m0.003s
sys	0m0.062s
ls -l 100 files with statahead: 0 sec
statahead total: 26
statahead wrong: 0
agl total: 26
total: 900 open/close in 7.85 seconds: 114.69 ops/second
llite.lustre-ffff8f54d0e2d000.statahead_max=0
1001

real	0m9.107s
user	0m0.028s
sys	0m1.080s
ls -l 1000 files without statahead: 9 sec
llite.lustre-ffff8f54d0e2d000.statahead_max=32
32
1001

real	0m1.362s
user	0m0.020s
sys	0m0.373s
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/: 7 seconds
rm done
statahead total: 27
statahead wrong: 0
agl total: 27