== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 22:20:27 (1787624427)
llite.lustre-ffffa050104c3000.statahead_max=1024
llite.lustre-ffffa050104c3000.statahead_batch_max=32
llite.lustre-ffffa050104c3000.statahead_min=64
llite.lustre-ffffa050104c3000.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 6.17 seconds: 162.05 ops/second
llite.lustre-ffffa050104c3000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffffa050104c3000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa050104c3000.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:            1787624444.998406830 secs.nsecs
start_time:               1787624440.383112063 secs.nsecs
elapsed_time:             4.615294767 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   7   7
2:		         7   7  15
4:		         6   6  22
8:		         5   5  28
16:		         3   3  31
32:		        60  68 100
snapshot_time:            1787624444.998625385 secs.nsecs
start_time:               1787624440.383269861 secs.nsecs
elapsed_time:             4.615355524 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:            1787624475.901003598 secs.nsecs
start_time:               1787624440.383112063 secs.nsecs
elapsed_time:             35.517891535 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   8   8
2:		         7   7  16
4:		         6   6  23
8:		         5   5  29
16:		         3   3  32
32:		        60  67 100
snapshot_time:            1787624475.901258631 secs.nsecs
start_time:               1787624440.383269861 secs.nsecs
elapsed_time:             35.517988770 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 6.73 seconds: 148.53 ops/second
llite.lustre-ffffa050104c3000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffffa050104c3000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa050104c3000.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:            1787624495.519933679 secs.nsecs
start_time:               1787624490.215844059 secs.nsecs
elapsed_time:             5.304089620 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   1   1
2:		         3   3   5
4:		         3   3   8
8:		         7   8  17
16:		         4   5  22
32:		        61  77 100
snapshot_time:            1787624495.520005136 secs.nsecs
start_time:               1787624490.216733278 secs.nsecs
elapsed_time:             5.303271858 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:            1787624526.577511049 secs.nsecs
start_time:               1787624490.215844059 secs.nsecs
elapsed_time:             36.361666990 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         3   3   6
4:		         3   3  10
8:		         7   8  18
16:		         4   5  23
32:		        61  76 100
snapshot_time:            1787624526.578163531 secs.nsecs
start_time:               1787624490.216733278 secs.nsecs
elapsed_time:             36.361430253 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787624541 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1787624553 ; total 0 ; last 0)
total: 1000 unlinks in 16 seconds: 62.500000 unlinks/second
llite.lustre-ffffa050104c3000.enable_statahead_fname=1
llite.lustre-ffffa050104c3000.statahead_min=8
llite.lustre-ffffa050104c3000.statahead_batch_max=64
llite.lustre-ffffa050104c3000.statahead_max=128