== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 07:17:20 (1787915840)
llite.lustre-ffff9dfa846ab800.statahead_max=1024
llite.lustre-ffff9dfa846ab800.statahead_batch_max=32
llite.lustre-ffff9dfa846ab800.statahead_min=64
llite.lustre-ffff9dfa846ab800.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 5.73 seconds: 174.39 ops/second
llite.lustre-ffff9dfa846ab800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9dfa846ab800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9dfa846ab800.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:            1787915856.319599718 secs.nsecs
start_time:               1787915852.500978072 secs.nsecs
elapsed_time:             3.818621646 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         6   6  11
4:		         8   9  20
8:		         8   9  29
16:		         1   1  30
32:		        61  69 100
snapshot_time:            1787915856.319665398 secs.nsecs
start_time:               1787915852.501192157 secs.nsecs
elapsed_time:             3.818473241 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:            1787915887.095185767 secs.nsecs
start_time:               1787915852.500978072 secs.nsecs
elapsed_time:             34.594207695 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         6   6  12
4:		         8   8  21
8:		         8   8  30
16:		         1   1  31
32:		        61  68 100
snapshot_time:            1787915887.095252258 secs.nsecs
start_time:               1787915852.501192157 secs.nsecs
elapsed_time:             34.594060101 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 6.50 seconds: 153.90 ops/second
llite.lustre-ffff9dfa846ab800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9dfa846ab800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9dfa846ab800.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:            1787915905.430483600 secs.nsecs
start_time:               1787915900.459524382 secs.nsecs
elapsed_time:             4.970959218 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         2   2   7
4:		         5   6  13
8:		         8   9  23
16:		         3   3  27
32:		        59  72 100
snapshot_time:            1787915905.430824672 secs.nsecs
start_time:               1787915900.463092358 secs.nsecs
elapsed_time:             4.967732314 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: 995
miss_total: 0
snapshot_time:            1787915936.674859183 secs.nsecs
start_time:               1787915900.459524382 secs.nsecs
elapsed_time:             36.215334801 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         2   2   8
4:		         5   6  14
8:		         8   9  24
16:		         3   3  28
32:		        59  71 100
snapshot_time:            1787915936.674950037 secs.nsecs
start_time:               1787915900.463092358 secs.nsecs
elapsed_time:             36.211857679 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787915943 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1787915952 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
llite.lustre-ffff9dfa846ab800.enable_statahead_fname=1
llite.lustre-ffff9dfa846ab800.statahead_min=8
llite.lustre-ffff9dfa846ab800.statahead_batch_max=64
llite.lustre-ffff9dfa846ab800.statahead_max=128