== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 01:40:08 (1786426808)
llite.lustre-ffff8b5603dde800.statahead_max=1024
llite.lustre-ffff8b5603dde800.statahead_batch_max=32
llite.lustre-ffff8b5603dde800.statahead_min=64
llite.lustre-ffff8b5603dde800.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 6.54 seconds: 152.88 ops/second
llite.lustre-ffff8b5603dde800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8b5603dde800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8b5603dde800.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:            1786426826.886527155 secs.nsecs
start_time:               1786426822.165002837 secs.nsecs
elapsed_time:             4.721524318 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         5   5   8
4:		        11  12  21
8:		         9  10  31
16:		         3   3  34
32:		        58  65 100
snapshot_time:            1786426826.886653506 secs.nsecs
start_time:               1786426822.165173972 secs.nsecs
elapsed_time:             4.721479534 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:            1786426858.268539804 secs.nsecs
start_time:               1786426822.165002837 secs.nsecs
elapsed_time:             36.103536967 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         5   5  10
4:		        11  12  22
8:		         9  10  32
16:		         3   3  35
32:		        58  64 100
snapshot_time:            1786426858.268605397 secs.nsecs
start_time:               1786426822.165173972 secs.nsecs
elapsed_time:             36.103431425 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 5.89 seconds: 169.73 ops/second
llite.lustre-ffff8b5603dde800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8b5603dde800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8b5603dde800.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:            1786426872.282117345 secs.nsecs
start_time:               1786426868.544693238 secs.nsecs
elapsed_time:             3.737424107 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         9   9   9
2:		         7   7  16
4:		         7   7  23
8:		         7   7  30
16:		        14  14  44
32:		        55  55 100
snapshot_time:            1786426872.282178861 secs.nsecs
start_time:               1786426868.544786944 secs.nsecs
elapsed_time:             3.737391917 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:            1786426904.066224843 secs.nsecs
start_time:               1786426868.544693238 secs.nsecs
elapsed_time:             35.521531605 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        10  10  10
2:		         7   7  17
4:		         7   7  24
8:		         7   7  31
16:		        14  14  45
32:		        55  55 100
snapshot_time:            1786426904.066381487 secs.nsecs
start_time:               1786426868.544786944 secs.nsecs
elapsed_time:             35.521594543 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1786426912 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1786426922 ; total 0 ; last 0)
total: 1000 unlinks in 14 seconds: 71.428574 unlinks/second
llite.lustre-ffff8b5603dde800.enable_statahead_fname=1
llite.lustre-ffff8b5603dde800.statahead_min=8
llite.lustre-ffff8b5603dde800.statahead_batch_max=64
llite.lustre-ffff8b5603dde800.statahead_max=128