== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 05:20:51 (1787390451)
llite.lustre-ffff9e39c899d000.statahead_max=1024
llite.lustre-ffff9e39c899d000.statahead_batch_max=32
llite.lustre-ffff9e39c899d000.statahead_min=64
llite.lustre-ffff9e39c899d000.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 5.56 seconds: 179.86 ops/second
llite.lustre-ffff9e39c899d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9e39c899d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9e39c899d000.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:            1787390469.191274226 secs.nsecs
start_time:               1787390464.887160243 secs.nsecs
elapsed_time:             4.304113983 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         7   8  15
4:		         5   5  20
8:		         7   8  29
16:		         1   1  30
32:		        60  69 100
snapshot_time:            1787390469.191344914 secs.nsecs
start_time:               1787390464.887288941 secs.nsecs
elapsed_time:             4.304055973 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:            1787390500.227476120 secs.nsecs
start_time:               1787390464.887160243 secs.nsecs
elapsed_time:             35.340315877 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   8   8
2:		         7   8  16
4:		         5   5  21
8:		         7   8  29
16:		         1   1  31
32:		        60  68 100
snapshot_time:            1787390500.227545710 secs.nsecs
start_time:               1787390464.887288941 secs.nsecs
elapsed_time:             35.340256769 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 5.85 seconds: 170.80 ops/second
llite.lustre-ffff9e39c899d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9e39c899d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9e39c899d000.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:            1787390514.692992195 secs.nsecs
start_time:               1787390511.237428659 secs.nsecs
elapsed_time:             3.455563536 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   5   5
2:		         1   1   6
4:		         5   6  12
8:		         5   6  18
16:		         4   5  23
32:		        61  76 100
snapshot_time:            1787390514.693057579 secs.nsecs
start_time:               1787390511.237509405 secs.nsecs
elapsed_time:             3.455548174 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: 994
miss_total: 1
snapshot_time:            1787390545.660531860 secs.nsecs
start_time:               1787390511.237428659 secs.nsecs
elapsed_time:             34.423103201 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         1   1   7
4:		         5   6  13
8:		         5   6  19
16:		         4   4  24
32:		        61  75 100
snapshot_time:            1787390545.660612531 secs.nsecs
start_time:               1787390511.237509405 secs.nsecs
elapsed_time:             34.423103126 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787390553 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1787390562 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
llite.lustre-ffff9e39c899d000.enable_statahead_fname=1
llite.lustre-ffff9e39c899d000.statahead_min=8
llite.lustre-ffff9e39c899d000.statahead_batch_max=64
llite.lustre-ffff9e39c899d000.statahead_max=128