== sanity test 123aa: verify statahead work ============== 14:23:47 (1772306627)
striped dir -i1 -c2 -H crush /mnt/lustre/d123aa.sanity
total: 100 open/close in 0.27 seconds: 367.05 ops/second
llite.lustre-ffff9cf28873b800.statahead_max=0
101

real	0m0.291s
user	0m0.003s
sys	0m0.074s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff9cf28873b800.statahead_max=32
32
101

real	0m0.170s
user	0m0.002s
sys	0m0.056s
ls -l 100 files with statahead: 1 sec
statahead total: 26
statahead wrong: 0
agl total: 26
total: 900 open/close in 1.92 seconds: 468.19 ops/second
llite.lustre-ffff9cf28873b800.statahead_max=0
1001

real	0m2.568s
user	0m0.013s
sys	0m0.559s
ls -l 1000 files without statahead: 3 sec
llite.lustre-ffff9cf28873b800.statahead_max=32
32
1001

real	0m0.777s
user	0m0.014s
sys	0m0.657s
ls -l 1000 files with statahead: 1 sec
statahead total: 27
statahead wrong: 0
agl total: 27
 - open/close 3956 (time 1772306648.03 total 10.00 last 395.50)
 - open/close 7205 (time 1772306658.03 total 20.00 last 324.87)
total: 9000 open/close in 26.27 seconds: 342.60 ops/second
llite.lustre-ffff9cf28873b800.statahead_max=0
10001

real	0m29.302s
user	0m0.167s
sys	0m5.957s
ls -l 10000 files without statahead: 30 sec
llite.lustre-ffff9cf28873b800.statahead_max=32
32
10001

real	0m7.243s
user	0m0.144s
sys	0m5.876s
ls -l 10000 files with statahead: 8 sec
statahead total: 28
statahead wrong: 0
agl total: 28
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 19 seconds
rm done
statahead total: 28
statahead wrong: 0
agl total: 28