== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 17:32:46 (1789075966)
llite.lustre-ffff8c1d59179000.statahead_max=1024
llite.lustre-ffff8c1d59179000.statahead_batch_max=32
llite.lustre-ffff8c1d59179000.statahead_min=64
llite.lustre-ffff8c1d59179000.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 8.87 seconds: 112.73 ops/second
llite.lustre-ffff8c1d59179000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8c1d59179000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8c1d59179000.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:            1789075985.555881249 secs.nsecs
start_time:               1789075981.910254996 secs.nsecs
elapsed_time:             3.645626253 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         3   3   7
4:		         6   7  15
8:		         2   2  17
16:		         4   5  23
32:		        60  76 100
snapshot_time:            1789075985.555931040 secs.nsecs
start_time:               1789075981.910355431 secs.nsecs
elapsed_time:             3.645575609 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:            1789076015.795327908 secs.nsecs
start_time:               1789075981.910254996 secs.nsecs
elapsed_time:             33.885072912 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   5   5
2:		         3   3   8
4:		         6   7  16
8:		         2   2  18
16:		         4   5  24
32:		        60  75 100
snapshot_time:            1789076015.795389849 secs.nsecs
start_time:               1789075981.910355431 secs.nsecs
elapsed_time:             33.885034418 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 7.34 seconds: 136.25 ops/second
llite.lustre-ffff8c1d59179000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8c1d59179000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8c1d59179000.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:            1789076032.316050764 secs.nsecs
start_time:               1789076028.859659413 secs.nsecs
elapsed_time:             3.456391351 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         1   1   4
4:		         2   2   6
8:		         2   2   9
16:		         3   4  13
32:		        62  86 100
snapshot_time:            1789076032.316120152 secs.nsecs
start_time:               1789076028.859770482 secs.nsecs
elapsed_time:             3.456349670 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:            1789076064.124490010 secs.nsecs
start_time:               1789076028.859659413 secs.nsecs
elapsed_time:             35.264830597 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   4   4
2:		         1   1   5
4:		         2   2   8
8:		         2   2  10
16:		         3   4  15
32:		        62  84 100
snapshot_time:            1789076064.124578571 secs.nsecs
start_time:               1789076028.859770482 secs.nsecs
elapsed_time:             35.264808089 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1789076075 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1789076087 ; total 0 ; last 0)
total: 1000 unlinks in 14 seconds: 71.428574 unlinks/second
llite.lustre-ffff8c1d59179000.enable_statahead_fname=1
llite.lustre-ffff8c1d59179000.statahead_min=8
llite.lustre-ffff8c1d59179000.statahead_batch_max=64
llite.lustre-ffff8c1d59179000.statahead_max=128