== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 11:06:59 (1787152019)
llite.lustre-ffff928cdcc71800.statahead_max=1024
llite.lustre-ffff928cdcc71800.statahead_batch_max=32
llite.lustre-ffff928cdcc71800.statahead_min=64
llite.lustre-ffff928cdcc71800.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: 178.62 ops/second
llite.lustre-ffff928cdcc71800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff928cdcc71800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff928cdcc71800.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:            1787152037.404955783 secs.nsecs
start_time:               1787152031.355606979 secs.nsecs
elapsed_time:             6.049348804 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         3   3   7
4:		        12  14  21
8:		         5   5  27
16:		         2   2  29
32:		        59  70 100
snapshot_time:            1787152037.405288568 secs.nsecs
start_time:               1787152031.355735404 secs.nsecs
elapsed_time:             6.049553164 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:            1787152068.191325910 secs.nsecs
start_time:               1787152031.355606979 secs.nsecs
elapsed_time:             36.835718931 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         3   3   8
4:		        12  14  22
8:		         5   5  28
16:		         2   2  30
32:		        59  69 100
snapshot_time:            1787152068.191404330 secs.nsecs
start_time:               1787152031.355735404 secs.nsecs
elapsed_time:             36.835668926 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 3.03 seconds: 330.21 ops/second
llite.lustre-ffff928cdcc71800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff928cdcc71800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff928cdcc71800.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:            1787152079.394665521 secs.nsecs
start_time:               1787152076.404654068 secs.nsecs
elapsed_time:             2.990011453 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         1   1   8
4:		         4   4  12
8:		        11  12  25
16:		         7   8  33
32:		        58  66 100
snapshot_time:            1787152079.394729671 secs.nsecs
start_time:               1787152076.404785478 secs.nsecs
elapsed_time:             2.989944193 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s 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:            1787152109.973628012 secs.nsecs
start_time:               1787152076.404654068 secs.nsecs
elapsed_time:             33.568973944 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   7   7
2:		         1   1   9
4:		         4   4  13
8:		        11  12  26
16:		         7   7  34
32:		        58  65 100
snapshot_time:            1787152109.973703816 secs.nsecs
start_time:               1787152076.404785478 secs.nsecs
elapsed_time:             33.568918338 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787152118 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1787152127 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff928cdcc71800.enable_statahead_fname=1
llite.lustre-ffff928cdcc71800.statahead_min=8
llite.lustre-ffff928cdcc71800.statahead_batch_max=64
llite.lustre-ffff928cdcc71800.statahead_max=128