== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 13:32:02 (1787851922)
llite.lustre-ffff8a3788f22800.statahead_max=1024
llite.lustre-ffff8a3788f22800.statahead_batch_max=32
llite.lustre-ffff8a3788f22800.statahead_min=64
llite.lustre-ffff8a3788f22800.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 5.42 seconds: 184.55 ops/second
llite.lustre-ffff8a3788f22800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8a3788f22800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8a3788f22800.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:            1787851936.895372805 secs.nsecs
start_time:               1787851933.034231015 secs.nsecs
elapsed_time:             3.861141790 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         7   8  13
4:		         7   8  21
8:		         7   8  29
16:		         2   2  32
32:		        59  67 100
snapshot_time:            1787851936.895419085 secs.nsecs
start_time:               1787851933.034310849 secs.nsecs
elapsed_time:             3.861108236 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:            1787851967.874752028 secs.nsecs
start_time:               1787851933.034231015 secs.nsecs
elapsed_time:             34.840521013 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         7   7  14
4:		         7   7  22
8:		         7   7  30
16:		         2   2  32
32:		        59  67 100
snapshot_time:            1787851967.874818560 secs.nsecs
start_time:               1787851933.034310849 secs.nsecs
elapsed_time:             34.840507711 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 6.43 seconds: 155.62 ops/second
llite.lustre-ffff8a3788f22800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8a3788f22800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8a3788f22800.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:            1787851985.875357039 secs.nsecs
start_time:               1787851980.919387821 secs.nsecs
elapsed_time:             4.955969218 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         1   1   3
4:		         6   7  11
8:		         5   6  18
16:		         4   5  23
32:		        59  76 100
snapshot_time:            1787851985.875430907 secs.nsecs
start_time:               1787851980.919803131 secs.nsecs
elapsed_time:             4.955627776 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: 994
miss_total: 1
snapshot_time:            1787852016.838016840 secs.nsecs
start_time:               1787851980.919387821 secs.nsecs
elapsed_time:             35.918629019 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         1   1   5
4:		         6   7  12
8:		         5   6  19
16:		         4   5  24
32:		        59  75 100
snapshot_time:            1787852016.838079777 secs.nsecs
start_time:               1787851980.919803131 secs.nsecs
elapsed_time:             35.918276646 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787852027 ; total 0 ; last 0)
total: 1000 unlinks in 4 seconds: 250.000000 unlinks/second
 - unlinked 0 (time 1787852036 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
llite.lustre-ffff8a3788f22800.enable_statahead_fname=1
llite.lustre-ffff8a3788f22800.statahead_min=8
llite.lustre-ffff8a3788f22800.statahead_batch_max=64
llite.lustre-ffff8a3788f22800.statahead_max=128