== sanity test 123aa: verify statahead work ============== 17:56:20 (1717019780)
striped dir -i1 -c2 -H crush /mnt/lustre/d123aa.sanity
total: 100 open/close in 0.67 seconds: 150.05 ops/second
llite.lustre-ffff8800a7d8a000.statahead_max=0
101

real	0m0.713s
user	0m0.050s
sys	0m0.096s
ls -l 100 files without statahead: 0 sec
llite.lustre-ffff8800a7d8a000.statahead_max=32
32
101

real	0m0.224s
user	0m0.003s
sys	0m0.051s
ls -l 100 files with statahead: 0 sec
statahead total: 27
statahead wrong: 0
agl total: 27
total: 900 open/close in 5.89 seconds: 152.69 ops/second
llite.lustre-ffff8800a7d8a000.statahead_max=0
1001

real	0m7.017s
user	0m0.333s
sys	0m1.093s
ls -l 1000 files without statahead: 7 sec
llite.lustre-ffff8800a7d8a000.statahead_max=32
32
1001

real	0m0.810s
user	0m0.039s
sys	0m0.269s
ls -l 1000 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
 - open/close 1558 (time 1717019812.63 total 10.00 last 155.72)
 - open/close 3203 (time 1717019822.63 total 20.01 last 164.47)
 - open/close 5018 (time 1717019832.64 total 30.01 last 181.48)
 - open/close 6770 (time 1717019842.64 total 40.01 last 175.16)
 - open/close 8718 (time 1717019852.64 total 50.01 last 194.80)
total: 9000 open/close in 51.59 seconds: 174.45 ops/second
llite.lustre-ffff8800a7d8a000.statahead_max=0
10001

real	1m11.144s
user	0m3.891s
sys	0m10.288s
ls -l 10000 files without statahead: 71 sec
llite.lustre-ffff8800a7d8a000.statahead_max=32
32
10001

real	0m10.252s
user	0m0.285s
sys	0m2.903s
ls -l 10000 files with statahead: 10 sec
statahead total: 29
statahead wrong: 0
agl total: 29
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 44 seconds
rm done
statahead total: 29
statahead wrong: 0
agl total: 29