== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 19:04:09 (1788822249)
llite.lustre-ffff928260a26800.statahead_max=1024
llite.lustre-ffff928260a26800.statahead_batch_max=32
llite.lustre-ffff928260a26800.statahead_min=64
llite.lustre-ffff928260a26800.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 5.23 seconds: 191.38 ops/second
llite.lustre-ffff928260a26800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff928260a26800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff928260a26800.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:            1788822264.740148676 secs.nsecs
start_time:               1788822260.366154617 secs.nsecs
elapsed_time:             4.373994059 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         5   6   8
4:		         7   8  17
8:		         7   8  25
16:		         1   1  26
32:		        60  73 100
snapshot_time:            1788822264.740215947 secs.nsecs
start_time:               1788822260.366287538 secs.nsecs
elapsed_time:             4.373928409 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: 994
miss_total: 1
snapshot_time:            1788822295.912932313 secs.nsecs
start_time:               1788822260.366154617 secs.nsecs
elapsed_time:             35.546777696 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         5   6   9
4:		         7   8  18
8:		         7   8  26
16:		         1   1  27
32:		        60  72 100
snapshot_time:            1788822295.912992305 secs.nsecs
start_time:               1788822260.366287538 secs.nsecs
elapsed_time:             35.546704767 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 5.42 seconds: 184.53 ops/second
llite.lustre-ffff928260a26800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff928260a26800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff928260a26800.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:            1788822309.092157360 secs.nsecs
start_time:               1788822306.083245654 secs.nsecs
elapsed_time:             3.008911706 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         2   2   8
4:		         3   3  11
8:		         6   7  19
16:		        10  11  30
32:		        58  69 100
snapshot_time:            1788822309.092242558 secs.nsecs
start_time:               1788822306.083470416 secs.nsecs
elapsed_time:             3.008772142 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 5s for ''
statahead total: 1
statahead wrong: 0
agl total: 1
list_total: 0
fname_total: 1
hit_total: 993
miss_total: 2
snapshot_time:            1788822340.584117928 secs.nsecs
start_time:               1788822306.083245654 secs.nsecs
elapsed_time:             34.500872274 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   7   7
2:		         2   2   9
4:		         3   3  12
8:		         6   7  20
16:		        10  11  31
32:		        58  68 100
snapshot_time:            1788822340.584197113 secs.nsecs
start_time:               1788822306.083470416 secs.nsecs
elapsed_time:             34.500726697 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1788822349 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1788822358 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff928260a26800.enable_statahead_fname=1
llite.lustre-ffff928260a26800.statahead_min=8
llite.lustre-ffff928260a26800.statahead_batch_max=64
llite.lustre-ffff928260a26800.statahead_max=128