== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 17:27:24 (1786742844)
llite.lustre-ffff94484879b800.statahead_max=1024
llite.lustre-ffff94484879b800.statahead_batch_max=32
llite.lustre-ffff94484879b800.statahead_min=64
llite.lustre-ffff94484879b800.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
total: 1000 create in 5.61 seconds: 178.22 ops/second
llite.lustre-ffff94484879b800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff94484879b800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff94484879b800.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:            1786742860.176920584 secs.nsecs
start_time:               1786742855.720653550 secs.nsecs
elapsed_time:             4.456267034 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   1   1
2:		         5   5   6
4:		        13  15  22
8:		         7   8  30
16:		         0   0  30
32:		        60  69 100
snapshot_time:            1786742860.176991276 secs.nsecs
start_time:               1786742855.720747674 secs.nsecs
elapsed_time:             4.456243602 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: 993
miss_total: 2
snapshot_time:            1786742891.455944507 secs.nsecs
start_time:               1786742855.720653550 secs.nsecs
elapsed_time:             35.735290957 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         5   5   8
4:		        13  14  22
8:		         7   8  31
16:		         0   0  31
32:		        60  68 100
snapshot_time:            1786742891.456003464 secs.nsecs
start_time:               1786742855.720747674 secs.nsecs
elapsed_time:             35.735255790 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 7.06 seconds: 141.63 ops/second
llite.lustre-ffff94484879b800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff94484879b800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff94484879b800.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:            1786742907.098968722 secs.nsecs
start_time:               1786742903.867104338 secs.nsecs
elapsed_time:             3.231864384 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        13  13  13
2:		         2   2  15
4:		         7   7  23
8:		         5   5  28
16:		         9   9  38
32:		        58  61 100
snapshot_time:            1786742907.099082714 secs.nsecs
start_time:               1786742903.867211305 secs.nsecs
elapsed_time:             3.231871409 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 ''
statahead total: 1
statahead wrong: 0
agl total: 1
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1786742937.346799404 secs.nsecs
start_time:               1786742903.867104338 secs.nsecs
elapsed_time:             33.479695066 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        14  14  14
2:		         2   2  16
4:		         7   7  24
8:		         5   5  29
16:		         9   9  38
32:		        58  61 100
snapshot_time:            1786742937.346901437 secs.nsecs
start_time:               1786742903.867211305 secs.nsecs
elapsed_time:             33.479690132 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1786742947 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1786742958 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffff94484879b800.enable_statahead_fname=1
llite.lustre-ffff94484879b800.statahead_min=8
llite.lustre-ffff94484879b800.statahead_batch_max=64
llite.lustre-ffff94484879b800.statahead_max=128