== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 18:59:05 (1718319545)
llite.lustre-ffff8800b6d03800.statahead_max=1024
llite.lustre-ffff8800b6d03800.statahead_batch_max=32
llite.lustre-ffff8800b6d03800.statahead_min=64
llite.lustre-ffff8800b6d03800.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 0.95 seconds: 1057.88 ops/second
llite.lustre-ffff8800b6d03800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8800b6d03800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8800b6d03800.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:            1718319549.450138409 secs.nsecs
start_time:               1718319548.658534702 secs.nsecs
elapsed_time:             0.791603707 secs.nsecs
subreqs per batch   batches   % cum %
1:		         3   3   3
2:		         4   4   8
4:		        15  17  25
8:		         5   5  31
16:		         0   0  31
32:		        60  68 100
snapshot_time:            1718319549.450245675 secs.nsecs
start_time:               1718319548.658656655 secs.nsecs
elapsed_time:             0.791589020 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: 994
miss_total: 1
snapshot_time:            1718319579.686876495 secs.nsecs
start_time:               1718319548.658534702 secs.nsecs
elapsed_time:             31.028341793 secs.nsecs
subreqs per batch   batches   % cum %
1:		         4   4   4
2:		         4   4   9
4:		        15  17  26
8:		         5   5  31
16:		         0   0  31
32:		        60  68 100
snapshot_time:            1718319579.687072052 secs.nsecs
start_time:               1718319548.658656655 secs.nsecs
elapsed_time:             31.028415397 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 1.11 seconds: 903.68 ops/second
llite.lustre-ffff8800b6d03800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8800b6d03800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8800b6d03800.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:            1718319582.578263418 secs.nsecs
start_time:               1718319582.061435994 secs.nsecs
elapsed_time:             0.516827424 secs.nsecs
subreqs per batch   batches   % cum %
1:		        13  13  13
2:		         3   3  17
4:		         0   0  17
8:		        13  13  31
16:		         8   8  39
32:		        56  60 100
snapshot_time:            1718319582.578417183 secs.nsecs
start_time:               1718319582.061593324 secs.nsecs
elapsed_time:             0.516823859 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: 995
miss_total: 0
snapshot_time:            1718319612.906961138 secs.nsecs
start_time:               1718319582.061435994 secs.nsecs
elapsed_time:             30.845525144 secs.nsecs
subreqs per batch   batches   % cum %
1:		        14  14  14
2:		         3   3  18
4:		         0   0  18
8:		        13  13  31
16:		         8   8  40
32:		        56  59 100
snapshot_time:            1718319612.907242288 secs.nsecs
start_time:               1718319582.061593324 secs.nsecs
elapsed_time:             30.845648964 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1718319615 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
 - unlinked 0 (time 1718319619 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 unlinks/second
llite.lustre-ffff8800b6d03800.enable_statahead_fname=0
llite.lustre-ffff8800b6d03800.statahead_min=8
llite.lustre-ffff8800b6d03800.statahead_batch_max=64
llite.lustre-ffff8800b6d03800.statahead_max=128