== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 12:46:57 (1788367617)
llite.lustre-ffff92e387195000.statahead_max=1024
llite.lustre-ffff92e387195000.statahead_batch_max=32
llite.lustre-ffff92e387195000.statahead_min=64
llite.lustre-ffff92e387195000.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 4.37 seconds: 228.91 ops/second
llite.lustre-ffff92e387195000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff92e387195000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff92e387195000.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:            1788367628.734444875 secs.nsecs
start_time:               1788367625.808724887 secs.nsecs
elapsed_time:             2.925719988 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         5   5  12
4:		        11  12  25
8:		         3   3  28
16:		         2   2  31
32:		        60  68 100
snapshot_time:            1788367628.734508336 secs.nsecs
start_time:               1788367625.808810885 secs.nsecs
elapsed_time:             2.925697451 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:            1788367659.334338282 secs.nsecs
start_time:               1788367625.808724887 secs.nsecs
elapsed_time:             33.525613395 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   7   7
2:		         5   5  13
4:		        11  12  26
8:		         3   3  29
16:		         2   2  31
32:		        60  68 100
snapshot_time:            1788367659.334403922 secs.nsecs
start_time:               1788367625.808810885 secs.nsecs
elapsed_time:             33.525593037 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 4.56 seconds: 219.26 ops/second
llite.lustre-ffff92e387195000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff92e387195000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff92e387195000.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:            1788367669.502047575 secs.nsecs
start_time:               1788367667.209624393 secs.nsecs
elapsed_time:             2.292423182 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        13  12  12
2:		         5   4  17
4:		         9   8  26
8:		         9   8  35
16:		        10   9  45
32:		        56  54 100
snapshot_time:            1788367669.502112227 secs.nsecs
start_time:               1788367667.209757565 secs.nsecs
elapsed_time:             2.292354662 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:            1788367700.506031517 secs.nsecs
start_time:               1788367667.209624393 secs.nsecs
elapsed_time:             33.296407124 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        14  13  13
2:		         5   4  18
4:		         9   8  27
8:		         9   8  35
16:		        10   9  45
32:		        56  54 100
snapshot_time:            1788367700.506097372 secs.nsecs
start_time:               1788367667.209757565 secs.nsecs
elapsed_time:             33.296339807 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1788367706 ; total 0 ; last 0)
total: 1000 unlinks in 4 seconds: 250.000000 unlinks/second
 - unlinked 0 (time 1788367713 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
llite.lustre-ffff92e387195000.enable_statahead_fname=1
llite.lustre-ffff92e387195000.statahead_min=8
llite.lustre-ffff92e387195000.statahead_batch_max=64
llite.lustre-ffff92e387195000.statahead_max=128