== sanity test 123aa: verify statahead work ============== 17:49:19 (1776203359)
striped dir -i1 -c2 -H crush /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.52 seconds: 65.85 ops/second
llite.lustre-ffff993648ec0000.statahead_max=0
101

real	0m1.239s
user	0m0.004s
sys	0m0.157s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff993648ec0000.statahead_max=32
32
101

real	0m0.571s
user	0m0.006s
sys	0m0.050s
ls -l 100 files with statahead: 0 sec
statahead total: 26
statahead wrong: 0
agl total: 26
 - open/close 670 (time 1776203382.34 total 10.01 last 66.95)
total: 900 open/close in 13.51 seconds: 66.64 ops/second
llite.lustre-ffff993648ec0000.statahead_max=0
1001

real	0m15.551s
user	0m0.035s
sys	0m1.243s
ls -l 1000 files without statahead: 16 sec
llite.lustre-ffff993648ec0000.statahead_max=32
32
1001

real	0m2.788s
user	0m0.020s
sys	0m0.402s
ls -l 1000 files with statahead: 2 sec
statahead total: 27
statahead wrong: 0
agl total: 27
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 11 seconds
rm done
statahead total: 27
statahead wrong: 0
agl total: 27