== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 10:09:03 (1787580543)
llite.lustre-ffff96efa55e7000.statahead_max=1024
llite.lustre-ffff96efa55e7000.statahead_batch_max=32
llite.lustre-ffff96efa55e7000.statahead_min=64
llite.lustre-ffff96efa55e7000.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 4.89 seconds: 204.70 ops/second
llite.lustre-ffff96efa55e7000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff96efa55e7000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff96efa55e7000.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:            1787580558.173216409 secs.nsecs
start_time:               1787580554.093015573 secs.nsecs
elapsed_time:             4.080200836 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		        10  10  15
4:		        10  10  26
8:		         7   7  33
16:		         2   2  35
32:		        59  64 100
snapshot_time:            1787580558.173369197 secs.nsecs
start_time:               1787580554.093095917 secs.nsecs
elapsed_time:             4.080273280 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 ''
statahead total: 1
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1787580588.663183935 secs.nsecs
start_time:               1787580554.093015573 secs.nsecs
elapsed_time:             34.570168362 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		        10  10  16
4:		        10  10  26
8:		         7   7  34
16:		         2   2  36
32:		        59  63 100
snapshot_time:            1787580588.663462875 secs.nsecs
start_time:               1787580554.093095917 secs.nsecs
elapsed_time:             34.570366958 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 4.53 seconds: 220.82 ops/second
llite.lustre-ffff96efa55e7000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff96efa55e7000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff96efa55e7000.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:            1787580600.405846639 secs.nsecs
start_time:               1787580597.996828930 secs.nsecs
elapsed_time:             2.409017709 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         3   3   8
4:		         4   4  13
8:		         9  10  24
16:		         3   3  27
32:		        60  72 100
snapshot_time:            1787580600.405924742 secs.nsecs
start_time:               1787580597.996963729 secs.nsecs
elapsed_time:             2.408961013 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:            1787580631.716028100 secs.nsecs
start_time:               1787580597.996828930 secs.nsecs
elapsed_time:             33.719199170 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         3   3   9
4:		         4   4  14
8:		         9  10  25
16:		         3   3  28
32:		        60  71 100
snapshot_time:            1787580631.716092536 secs.nsecs
start_time:               1787580597.996963729 secs.nsecs
elapsed_time:             33.719128807 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787580639 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1787580647 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff96efa55e7000.enable_statahead_fname=1
llite.lustre-ffff96efa55e7000.statahead_min=8
llite.lustre-ffff96efa55e7000.statahead_batch_max=64
llite.lustre-ffff96efa55e7000.statahead_max=128