== sanity test 123aa: verify statahead work ============== 10:16:35 (1736262995)
striped dir -i1 -c2 -H crush /mnt/lustre/d123aa.sanity
total: 100 open/close in 0.37 seconds: 269.35 ops/second
llite.lustre-ffff88012bfb1000.statahead_max=0
101

real	0m0.453s
user	0m0.025s
sys	0m0.087s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff88012bfb1000.statahead_max=32
32
101

real	0m0.243s
user	0m0.022s
sys	0m0.040s
ls -l 100 files with statahead: 1 sec
statahead total: 27
statahead wrong: 0
agl total: 27
total: 900 open/close in 3.74 seconds: 240.94 ops/second
llite.lustre-ffff88012bfb1000.statahead_max=0
1001

real	0m3.614s
user	0m0.184s
sys	0m0.677s
ls -l 1000 files without statahead: 4 sec
llite.lustre-ffff88012bfb1000.statahead_max=32
32
1001

real	0m0.415s
user	0m0.020s
sys	0m0.304s
ls -l 1000 files with statahead: 1 sec
statahead total: 28
statahead wrong: 0
agl total: 28
 - open/close 2522 (time 1736263018.33 total 10.00 last 252.18)
 - open/close 5065 (time 1736263028.33 total 20.00 last 254.28)
 - open/close 8515 (time 1736263038.33 total 30.00 last 344.95)
total: 9000 open/close in 31.02 seconds: 290.12 ops/second
llite.lustre-ffff88012bfb1000.statahead_max=0
10001

real	0m25.703s
user	0m0.774s
sys	0m5.681s
ls -l 10000 files without statahead: 25 sec
llite.lustre-ffff88012bfb1000.statahead_max=32
32
10001

real	0m3.364s
user	0m0.227s
sys	0m3.014s
ls -l 10000 files with statahead: 3 sec
statahead total: 29
statahead wrong: 0
agl total: 29
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 14 seconds
rm done
statahead total: 29
statahead wrong: 0
agl total: 29