== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 05:27:35 (1786699655)
llite.lustre-ffff8ea8099b8800.statahead_max=1024
llite.lustre-ffff8ea8099b8800.statahead_batch_max=32
llite.lustre-ffff8ea8099b8800.statahead_min=64
llite.lustre-ffff8ea8099b8800.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 8.77 seconds: 113.97 ops/second
llite.lustre-ffff8ea8099b8800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8ea8099b8800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8ea8099b8800.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:            1786699677.421587966 secs.nsecs
start_time:               1786699672.941149130 secs.nsecs
elapsed_time:             4.480438836 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         2   2   7
4:		        10  12  19
8:		         5   6  25
16:		         1   1  26
32:		        61  73 100
snapshot_time:            1786699677.421662852 secs.nsecs
start_time:               1786699672.941248640 secs.nsecs
elapsed_time:             4.480414212 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:            1786699707.797381434 secs.nsecs
start_time:               1786699672.941149130 secs.nsecs
elapsed_time:             34.856232304 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         2   2   8
4:		        10  11  20
8:		         5   5  26
16:		         1   1  27
32:		        61  72 100
snapshot_time:            1786699707.797471352 secs.nsecs
start_time:               1786699672.941248640 secs.nsecs
elapsed_time:             34.856222712 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 5.38 seconds: 185.72 ops/second
llite.lustre-ffff8ea8099b8800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8ea8099b8800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8ea8099b8800.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:            1786699721.837146737 secs.nsecs
start_time:               1786699717.877211973 secs.nsecs
elapsed_time:             3.959934764 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        20  20  20
2:		         2   2  22
4:		         4   4  27
8:		         5   5  32
16:		         6   6  38
32:		        59  61 100
snapshot_time:            1786699721.837215119 secs.nsecs
start_time:               1786699717.877295771 secs.nsecs
elapsed_time:             3.959919348 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:            1786699752.677746629 secs.nsecs
start_time:               1786699717.877211973 secs.nsecs
elapsed_time:             34.800534656 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        21  21  21
2:		         2   2  23
4:		         4   4  27
8:		         5   5  32
16:		         6   6  39
32:		        59  60 100
snapshot_time:            1786699752.677813830 secs.nsecs
start_time:               1786699717.877295771 secs.nsecs
elapsed_time:             34.800518059 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1786699762 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1786699773 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffff8ea8099b8800.enable_statahead_fname=1
llite.lustre-ffff8ea8099b8800.statahead_min=8
llite.lustre-ffff8ea8099b8800.statahead_batch_max=64
llite.lustre-ffff8ea8099b8800.statahead_max=128