== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 10:53:04 (1785768784)
llite.lustre-ffff9e1d82b69000.statahead_max=1024
llite.lustre-ffff9e1d82b69000.statahead_batch_max=32
llite.lustre-ffff9e1d82b69000.statahead_min=64
llite.lustre-ffff9e1d82b69000.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 779 (time 1785768799.97 total 10.01 last 77.86)
total: 1000 create in 13.92 seconds: 71.82 ops/second
llite.lustre-ffff9e1d82b69000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9e1d82b69000.batch_stats=0
statahead_stats (Pre):
statahead total: 0
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 0
hit_total: 0
miss_total: 0
statahead_stats (Post):
statahead total: 1
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 1
hit_total: 0
miss_total: 0
snapshot_time:            1785768814.651904938 secs.nsecs
start_time:               1785768807.715762186 secs.nsecs
elapsed_time:             6.936142752 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         5   6  10
4:		         8   9  20
8:		         3   3  24
16:		         1   1  25
32:		        61  74 100
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s for ''
Waiting 25s for ''
Waiting 15s for ''
Waiting 5s for ''
statahead total: 1
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1785768845.579482214 secs.nsecs
start_time:               1785768807.715762186 secs.nsecs
elapsed_time:             37.863720028 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         5   6  12
4:		         8   9  21
8:		         3   3  25
16:		         1   1  26
32:		        61  73 100
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity 1000
- aheadmany -c stat -N -s 0 -e 1000 -b f123i.sanity -d /mnt/lustre/d123i.sanity
 - create 950 (time 1785768859.60 total 10.01 last 94.92)
total: 1000 create in 10.78 seconds: 92.74 ops/second
llite.lustre-ffff9e1d82b69000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9e1d82b69000.batch_stats=0
statahead_stats (Pre):
statahead total: 0
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 0
hit_total: 0
miss_total: 0
statahead_stats (Post):
statahead total: 1
statahead wrong: 0
agl total: 1
list_total: 0
fname_total: 1
hit_total: 0
miss_total: 0
snapshot_time:            1785768869.520907070 secs.nsecs
start_time:               1785768864.484023150 secs.nsecs
elapsed_time:             5.036883920 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         2   2   7
4:		         9  10  17
8:		        12  13  31
16:		         2   2  33
32:		        59  66 100
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s for ''
Waiting 25s for ''
Waiting 15s for ''
Waiting 5s for ''
statahead total: 1
statahead wrong: 0
agl total: 1
list_total: 0
fname_total: 1
hit_total: 995
miss_total: 0
snapshot_time:            1785768901.233457533 secs.nsecs
start_time:               1785768864.484023150 secs.nsecs
elapsed_time:             36.749434383 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         2   2   8
4:		         9  10  18
8:		        12  13  32
16:		         2   2  34
32:		        59  65 100
 - unlinked 0 (time 1785768911 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
 - unlinked 0 (time 1785768926 ; total 0 ; last 0)
total: 1000 unlinks in 19 seconds: 52.631580 unlinks/second
llite.lustre-ffff9e1d82b69000.enable_statahead_fname=1
llite.lustre-ffff9e1d82b69000.statahead_min=8
llite.lustre-ffff9e1d82b69000.statahead_batch_max=64
llite.lustre-ffff9e1d82b69000.statahead_max=128