== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 18:13:27 (1786659207)
llite.lustre-ffff9630518dd000.statahead_max=1024
llite.lustre-ffff9630518dd000.statahead_batch_max=32
llite.lustre-ffff9630518dd000.statahead_min=64
llite.lustre-ffff9630518dd000.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 5.59 seconds: 178.99 ops/second
llite.lustre-ffff9630518dd000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9630518dd000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9630518dd000.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:            1786659223.542823924 secs.nsecs
start_time:               1786659219.630958174 secs.nsecs
elapsed_time:             3.911865750 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         2   2   7
4:		        12  14  21
8:		         5   5  27
16:		         0   0  27
32:		        61  72 100
snapshot_time:            1786659223.546838624 secs.nsecs
start_time:               1786659219.631408286 secs.nsecs
elapsed_time:             3.915430338 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: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1786659253.866622807 secs.nsecs
start_time:               1786659219.630958174 secs.nsecs
elapsed_time:             34.235664633 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         2   2   8
4:		        12  14  22
8:		         5   5  28
16:		         0   0  28
32:		        61  71 100
snapshot_time:            1786659253.866698758 secs.nsecs
start_time:               1786659219.631408286 secs.nsecs
elapsed_time:             34.235290472 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 6.18 seconds: 161.87 ops/second
llite.lustre-ffff9630518dd000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9630518dd000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9630518dd000.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:            1786659269.498689703 secs.nsecs
start_time:               1786659265.661351076 secs.nsecs
elapsed_time:             3.837338627 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   7   7
2:		         1   1   8
4:		         9  10  18
8:		        11  12  31
16:		         2   2  33
32:		        60  66 100
snapshot_time:            1786659269.498769223 secs.nsecs
start_time:               1786659265.661559242 secs.nsecs
elapsed_time:             3.837209981 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:            1786659300.123002581 secs.nsecs
start_time:               1786659265.661351076 secs.nsecs
elapsed_time:             34.461651505 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   8   8
2:		         1   1   9
4:		         9   9  19
8:		        11  12  31
16:		         2   2  34
32:		        60  65 100
snapshot_time:            1786659300.123187171 secs.nsecs
start_time:               1786659265.661559242 secs.nsecs
elapsed_time:             34.461627929 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1786659308 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1786659322 ; total 0 ; last 0)
total: 1000 unlinks in 31 seconds: 32.258064 unlinks/second
llite.lustre-ffff9630518dd000.enable_statahead_fname=1
llite.lustre-ffff9630518dd000.statahead_min=8
llite.lustre-ffff9630518dd000.statahead_batch_max=64
llite.lustre-ffff9630518dd000.statahead_max=128