== sanity test 123aa: verify statahead work ============== 13:25:51 (1776187551)
striped dir -i1 -c2 -H crush /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.16 seconds: 86.21 ops/second
llite.lustre-ffff9bbac7894800.statahead_max=0
101

real	0m1.563s
user	0m0.006s
sys	0m0.118s
ls -l 100 files without statahead: 2 sec
llite.lustre-ffff9bbac7894800.statahead_max=32
32
101

real	0m0.386s
user	0m0.002s
sys	0m0.055s
ls -l 100 files with statahead: 0 sec
statahead total: 26
statahead wrong: 0
agl total: 26
 - open/close 835 (time 1776187574.50 total 10.01 last 83.45)
total: 900 open/close in 10.96 seconds: 82.12 ops/second
llite.lustre-ffff9bbac7894800.statahead_max=0
1001

real	0m10.400s
user	0m0.021s
sys	0m1.063s
ls -l 1000 files without statahead: 10 sec
llite.lustre-ffff9bbac7894800.statahead_max=32
32
1001

real	0m1.992s
user	0m0.020s
sys	0m0.352s
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/: 8 seconds
rm done
statahead total: 27
statahead wrong: 0
agl total: 27