== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 15:36:36 (1785958596)
llite.lustre-ffff8aaa83b25000.statahead_max=1024
llite.lustre-ffff8aaa83b25000.statahead_batch_max=32
llite.lustre-ffff8aaa83b25000.statahead_min=64
llite.lustre-ffff8aaa83b25000.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 886 (time 1785958613.95 total 10.01 last 88.49)
total: 1000 create in 11.30 seconds: 88.46 ops/second
llite.lustre-ffff8aaa83b25000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8aaa83b25000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8aaa83b25000.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:            1785958624.220602563 secs.nsecs
start_time:               1785958619.310959098 secs.nsecs
elapsed_time:             4.909643465 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         2   2   4
4:		        14  16  21
8:		         3   3  25
16:		         3   3  28
32:		        59  71 100
snapshot_time:            1785958624.220660571 secs.nsecs
start_time:               1785958619.311188356 secs.nsecs
elapsed_time:             4.909472215 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
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:            1785958655.577469337 secs.nsecs
start_time:               1785958619.310959098 secs.nsecs
elapsed_time:             36.266510239 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         2   2   5
4:		        14  16  22
8:		         3   3  26
16:		         3   3  29
32:		        59  70 100
snapshot_time:            1785958655.577606858 secs.nsecs
start_time:               1785958619.311188356 secs.nsecs
elapsed_time:             36.266418502 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
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
total: 1000 create in 8.99 seconds: 111.18 ops/second
llite.lustre-ffff8aaa83b25000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8aaa83b25000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8aaa83b25000.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:            1785958677.912108580 secs.nsecs
start_time:               1785958672.209987830 secs.nsecs
elapsed_time:             5.702120750 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   8   8
2:		         4   4  13
4:		         5   5  18
8:		         8   8  27
16:		         7   7  35
32:		        58  64 100
snapshot_time:            1785958677.912166670 secs.nsecs
start_time:               1785958672.210110138 secs.nsecs
elapsed_time:             5.702056532 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
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:            1785958709.202698812 secs.nsecs
start_time:               1785958672.209987830 secs.nsecs
elapsed_time:             36.992710982 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         9   9   9
2:		         4   4  14
4:		         5   5  19
8:		         8   8  28
16:		         7   7  36
32:		        58  63 100
snapshot_time:            1785958709.202750072 secs.nsecs
start_time:               1785958672.210110138 secs.nsecs
elapsed_time:             36.992639934 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1785958720 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
 - unlinked 0 (time 1785958737 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
llite.lustre-ffff8aaa83b25000.enable_statahead_fname=1
llite.lustre-ffff8aaa83b25000.statahead_min=8
llite.lustre-ffff8aaa83b25000.statahead_batch_max=64
llite.lustre-ffff8aaa83b25000.statahead_max=128