== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 00:09:01 (1786939741)
llite.lustre-ffffa06800def800.statahead_max=1024
llite.lustre-ffffa06800def800.statahead_batch_max=32
llite.lustre-ffffa06800def800.statahead_min=64
llite.lustre-ffffa06800def800.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 3.50 seconds: 285.93 ops/second
llite.lustre-ffffa06800def800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffffa06800def800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa06800def800.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:            1786939750.190032225 secs.nsecs
start_time:               1786939747.871594064 secs.nsecs
elapsed_time:             2.318438161 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   1   1
2:		         4   4   6
4:		        12  14  20
8:		         5   6  26
16:		         0   0  26
32:		        61  73 100
snapshot_time:            1786939750.190085797 secs.nsecs
start_time:               1786939747.871676397 secs.nsecs
elapsed_time:             2.318409400 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: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1786939781.129133320 secs.nsecs
start_time:               1786939747.871594064 secs.nsecs
elapsed_time:             33.257539256 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         4   4   7
4:		        12  14  21
8:		         5   5  27
16:		         0   0  27
32:		        61  72 100
snapshot_time:            1786939781.129202020 secs.nsecs
start_time:               1786939747.871676397 secs.nsecs
elapsed_time:             33.257525623 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 3.47 seconds: 288.04 ops/second
llite.lustre-ffffa06800def800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffffa06800def800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa06800def800.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:            1786939789.383181233 secs.nsecs
start_time:               1786939787.086962745 secs.nsecs
elapsed_time:             2.296218488 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         9  10  10
2:		         4   4  14
4:		         5   5  20
8:		         4   4  24
16:		         8   8  33
32:		        60  66 100
snapshot_time:            1786939789.383243731 secs.nsecs
start_time:               1786939787.087083300 secs.nsecs
elapsed_time:             2.296160431 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:            1786939820.336446388 secs.nsecs
start_time:               1786939787.086962745 secs.nsecs
elapsed_time:             33.249483643 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        10  10  10
2:		         4   4  15
4:		         5   5  20
8:		         4   4  25
16:		         8   8  34
32:		        60  65 100
snapshot_time:            1786939820.336510318 secs.nsecs
start_time:               1786939787.087083300 secs.nsecs
elapsed_time:             33.249427018 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1786939823 ; total 0 ; last 0)
total: 1000 unlinks in 4 seconds: 250.000000 unlinks/second
 - unlinked 0 (time 1786939829 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
llite.lustre-ffffa06800def800.enable_statahead_fname=1
llite.lustre-ffffa06800def800.statahead_min=8
llite.lustre-ffffa06800def800.statahead_batch_max=64
llite.lustre-ffffa06800def800.statahead_max=128