== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 06:24:25 (1787394265)
llite.lustre-ffff9788c92a4000.statahead_max=1024
llite.lustre-ffff9788c92a4000.statahead_batch_max=32
llite.lustre-ffff9788c92a4000.statahead_min=64
llite.lustre-ffff9788c92a4000.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 7.21 seconds: 138.74 ops/second
llite.lustre-ffff9788c92a4000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9788c92a4000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9788c92a4000.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:            1787394283.066606183 secs.nsecs
start_time:               1787394279.124738102 secs.nsecs
elapsed_time:             3.941868081 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         7   8  11
4:		         5   6  17
8:		         4   4  22
16:		         2   2  24
32:		        61  75 100
snapshot_time:            1787394283.066664158 secs.nsecs
start_time:               1787394279.125036648 secs.nsecs
elapsed_time:             3.941627510 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:            1787394313.943621426 secs.nsecs
start_time:               1787394279.124738102 secs.nsecs
elapsed_time:             34.818883324 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         7   8  12
4:		         5   6  18
8:		         4   4  23
16:		         2   2  25
32:		        61  74 100
snapshot_time:            1787394313.943690245 secs.nsecs
start_time:               1787394279.125036648 secs.nsecs
elapsed_time:             34.818653597 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: 148.48 ops/second
llite.lustre-ffff9788c92a4000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9788c92a4000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9788c92a4000.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:            1787394329.737427000 secs.nsecs
start_time:               1787394326.132070009 secs.nsecs
elapsed_time:             3.605356991 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         6   6  10
4:		         4   4  14
8:		         9  10  25
16:		         6   6  32
32:		        59  67 100
snapshot_time:            1787394329.737502280 secs.nsecs
start_time:               1787394326.132226551 secs.nsecs
elapsed_time:             3.605275729 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:            1787394361.041603141 secs.nsecs
start_time:               1787394326.132070009 secs.nsecs
elapsed_time:             34.909533132 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         6   6  11
4:		         4   4  15
8:		         9  10  26
16:		         6   6  32
32:		        59  67 100
snapshot_time:            1787394361.041677321 secs.nsecs
start_time:               1787394326.132226551 secs.nsecs
elapsed_time:             34.909450770 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787394370 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1787394382 ; total 0 ; last 0)
total: 1000 unlinks in 14 seconds: 71.428574 unlinks/second
llite.lustre-ffff9788c92a4000.enable_statahead_fname=1
llite.lustre-ffff9788c92a4000.statahead_min=8
llite.lustre-ffff9788c92a4000.statahead_batch_max=64
llite.lustre-ffff9788c92a4000.statahead_max=128