== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 00:23:02 (1787718182)
llite.lustre-ffff9a47dbe12800.statahead_max=1024
llite.lustre-ffff9a47dbe12800.statahead_batch_max=32
llite.lustre-ffff9a47dbe12800.statahead_min=64
llite.lustre-ffff9a47dbe12800.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 7.72 seconds: 129.60 ops/second
llite.lustre-ffff9a47dbe12800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9a47dbe12800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9a47dbe12800.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:            1787718202.052059546 secs.nsecs
start_time:               1787718196.688955806 secs.nsecs
elapsed_time:             5.363103740 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   1   1
2:		         3   3   5
4:		         5   6  11
8:		         4   5  17
16:		         2   2  19
32:		        61  80 100
snapshot_time:            1787718202.052121071 secs.nsecs
start_time:               1787718196.689090153 secs.nsecs
elapsed_time:             5.363030918 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:            1787718233.595024709 secs.nsecs
start_time:               1787718196.688955806 secs.nsecs
elapsed_time:             36.906068903 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         3   3   6
4:		         5   6  12
8:		         4   5  18
16:		         2   2  20
32:		        61  79 100
snapshot_time:            1787718233.595143031 secs.nsecs
start_time:               1787718196.689090153 secs.nsecs
elapsed_time:             36.906052878 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 6.62 seconds: 151.01 ops/second
llite.lustre-ffff9a47dbe12800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9a47dbe12800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9a47dbe12800.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:            1787718249.914984110 secs.nsecs
start_time:               1787718245.862019357 secs.nsecs
elapsed_time:             4.052964753 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         1   1   4
4:		         5   6  10
8:		         6   7  18
16:		         9  10  29
32:		        58  70 100
snapshot_time:            1787718249.915067593 secs.nsecs
start_time:               1787718245.862185361 secs.nsecs
elapsed_time:             4.052882232 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: 994
miss_total: 1
snapshot_time:            1787718281.655448890 secs.nsecs
start_time:               1787718245.862019357 secs.nsecs
elapsed_time:             35.793429533 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         1   1   6
4:		         5   6  12
8:		         6   7  19
16:		         9  10  30
32:		        58  69 100
snapshot_time:            1787718281.655989855 secs.nsecs
start_time:               1787718245.862185361 secs.nsecs
elapsed_time:             35.793804494 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787718289 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1787718300 ; total 0 ; last 0)
total: 1000 unlinks in 13 seconds: 76.923080 unlinks/second
llite.lustre-ffff9a47dbe12800.enable_statahead_fname=1
llite.lustre-ffff9a47dbe12800.statahead_min=8
llite.lustre-ffff9a47dbe12800.statahead_batch_max=64
llite.lustre-ffff9a47dbe12800.statahead_max=128