== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 05:50:23 (1786182623)
llite.lustre-ffff957075df0000.statahead_max=1024
llite.lustre-ffff957075df0000.statahead_batch_max=32
llite.lustre-ffff957075df0000.statahead_min=64
llite.lustre-ffff957075df0000.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 971 (time 1786182641.85 total 10.01 last 97.03)
total: 1000 create in 10.33 seconds: 96.84 ops/second
llite.lustre-ffff957075df0000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff957075df0000.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:            1786182651.249577124 secs.nsecs
start_time:               1786182645.287320564 secs.nsecs
elapsed_time:             5.962256560 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         5   5  11
4:		        10  11  22
8:		         6   6  29
16:		         1   1  31
32:		        60  68 100
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s for ''
Waiting 25s for ''
Waiting 15s for ''
statahead total: 1
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1786182682.174762778 secs.nsecs
start_time:               1786182645.287320564 secs.nsecs
elapsed_time:             36.887442214 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         5   5  12
4:		        10  11  23
8:		         6   6  30
16:		         1   1  31
32:		        60  68 100
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 924 (time 1786182698.24 total 10.00 last 92.37)
total: 1000 create in 10.73 seconds: 93.23 ops/second
llite.lustre-ffff957075df0000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff957075df0000.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:            1786182709.748968948 secs.nsecs
start_time:               1786182704.295661136 secs.nsecs
elapsed_time:             5.453307812 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   7   7
2:		         4   4  11
4:		         8   8  20
8:		         9   9  30
16:		         6   6  36
32:		        59  63 100
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: 994
miss_total: 1
snapshot_time:            1786182741.019313755 secs.nsecs
start_time:               1786182704.295661136 secs.nsecs
elapsed_time:             36.723652619 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   8   8
2:		         4   4  12
4:		         8   8  21
8:		         9   9  30
16:		         6   6  37
32:		        59  62 100
 - unlinked 0 (time 1786182753 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
 - unlinked 0 (time 1786182770 ; total 0 ; last 0)
total: 1000 unlinks in 16 seconds: 62.500000 unlinks/second
llite.lustre-ffff957075df0000.enable_statahead_fname=1
llite.lustre-ffff957075df0000.statahead_min=8
llite.lustre-ffff957075df0000.statahead_batch_max=64
llite.lustre-ffff957075df0000.statahead_max=128