== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 05:16:55 (1788772615)
llite.lustre-ffff9d86f35df000.statahead_max=1024
llite.lustre-ffff9d86f35df000.statahead_batch_max=32
llite.lustre-ffff9d86f35df000.statahead_min=64
llite.lustre-ffff9d86f35df000.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 5.60 seconds: 178.56 ops/second
llite.lustre-ffff9d86f35df000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9d86f35df000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9d86f35df000.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:            1788772631.649074561 secs.nsecs
start_time:               1788772627.241851237 secs.nsecs
elapsed_time:             4.407223324 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         3   3   7
4:		        11  13  20
8:		         5   5  26
16:		         3   3  29
32:		        59  70 100
snapshot_time:            1788772631.649142053 secs.nsecs
start_time:               1788772627.241980087 secs.nsecs
elapsed_time:             4.407161966 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: 1
snapshot_time:            1788772662.872121212 secs.nsecs
start_time:               1788772627.241851237 secs.nsecs
elapsed_time:             35.630269975 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         3   3   8
4:		        11  12  21
8:		         5   5  27
16:		         3   3  30
32:		        59  69 100
snapshot_time:            1788772662.872191507 secs.nsecs
start_time:               1788772627.241980087 secs.nsecs
elapsed_time:             35.630211420 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 5.93 seconds: 168.63 ops/second
llite.lustre-ffff9d86f35df000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9d86f35df000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9d86f35df000.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:            1788772677.117889716 secs.nsecs
start_time:               1788772674.129715379 secs.nsecs
elapsed_time:             2.988174337 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   5   5
2:		         1   1   6
4:		         2   2   8
8:		         4   5  13
16:		         9  11  25
32:		        60  75 100
snapshot_time:            1788772677.117981378 secs.nsecs
start_time:               1788772674.129827113 secs.nsecs
elapsed_time:             2.988154265 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: 1
list_total: 0
fname_total: 1
hit_total: 993
miss_total: 1
snapshot_time:            1788772708.044167613 secs.nsecs
start_time:               1788772674.129715379 secs.nsecs
elapsed_time:             33.914452234 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         1   1   7
4:		         2   2   9
8:		         4   4  14
16:		         9  11  25
32:		        60  74 100
snapshot_time:            1788772708.044240743 secs.nsecs
start_time:               1788772674.129827113 secs.nsecs
elapsed_time:             33.914413630 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1788772717 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1788772726 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
llite.lustre-ffff9d86f35df000.enable_statahead_fname=1
llite.lustre-ffff9d86f35df000.statahead_min=8
llite.lustre-ffff9d86f35df000.statahead_batch_max=64
llite.lustre-ffff9d86f35df000.statahead_max=128