== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 00:07:51 (1787803671)
llite.lustre-ffff9578fe33f000.statahead_max=1024
llite.lustre-ffff9578fe33f000.statahead_batch_max=32
llite.lustre-ffff9578fe33f000.statahead_min=64
llite.lustre-ffff9578fe33f000.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 7.49 seconds: 133.57 ops/second
llite.lustre-ffff9578fe33f000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9578fe33f000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9578fe33f000.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:            1787803692.656641775 secs.nsecs
start_time:               1787803686.375237578 secs.nsecs
elapsed_time:             6.281404197 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   1   1
2:		         5   5   7
4:		         9  10  17
8:		         4   4  22
16:		         5   5  28
32:		        60  71 100
snapshot_time:            1787803692.656707880 secs.nsecs
start_time:               1787803686.375319464 secs.nsecs
elapsed_time:             6.281388416 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:            1787803723.658087297 secs.nsecs
start_time:               1787803686.375237578 secs.nsecs
elapsed_time:             37.282849719 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         5   5   8
4:		         9  10  18
8:		         4   4  23
16:		         5   5  29
32:		        60  70 100
snapshot_time:            1787803723.658154383 secs.nsecs
start_time:               1787803686.375319464 secs.nsecs
elapsed_time:             37.282834919 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 5.22 seconds: 191.48 ops/second
llite.lustre-ffff9578fe33f000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9578fe33f000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9578fe33f000.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:            1787803738.932841753 secs.nsecs
start_time:               1787803734.592106925 secs.nsecs
elapsed_time:             4.340734828 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
2:		         3   3   3
4:		         5   6   9
8:		         7   8  18
16:		         9  11  29
32:		        57  70 100
snapshot_time:            1787803738.932914306 secs.nsecs
start_time:               1787803734.592294127 secs.nsecs
elapsed_time:             4.340620179 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:            1787803769.663617842 secs.nsecs
start_time:               1787803734.592106925 secs.nsecs
elapsed_time:             35.071510917 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   1   1
2:		         3   3   4
4:		         5   6  10
8:		         7   8  19
16:		         9  10  30
32:		        57  69 100
snapshot_time:            1787803769.663839558 secs.nsecs
start_time:               1787803734.592294127 secs.nsecs
elapsed_time:             35.071545431 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787803778 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1787803788 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
llite.lustre-ffff9578fe33f000.enable_statahead_fname=1
llite.lustre-ffff9578fe33f000.statahead_min=8
llite.lustre-ffff9578fe33f000.statahead_batch_max=64
llite.lustre-ffff9578fe33f000.statahead_max=128