== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 09:06:51 (1789132011)
llite.lustre-ffff88ada39c0800.statahead_max=1024
llite.lustre-ffff88ada39c0800.statahead_batch_max=32
llite.lustre-ffff88ada39c0800.statahead_min=64
llite.lustre-ffff88ada39c0800.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 979 (time 1789132028.00 total 10.00 last 97.86)
total: 1000 create in 10.23 seconds: 97.77 ops/second
llite.lustre-ffff88ada39c0800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff88ada39c0800.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:            1789132034.987103722 secs.nsecs
start_time:               1789132030.545742405 secs.nsecs
elapsed_time:             4.441361317 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         7   8  13
4:		         5   6  19
8:		         5   6  25
16:		         1   1  26
32:		        60  73 100
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:            1789132066.050950689 secs.nsecs
start_time:               1789132030.545742405 secs.nsecs
elapsed_time:             35.505208284 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         7   8  14
4:		         5   6  20
8:		         5   6  26
16:		         1   1  27
32:		        60  72 100
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 8.08 seconds: 123.84 ops/second
llite.lustre-ffff88ada39c0800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff88ada39c0800.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:            1789132084.932534566 secs.nsecs
start_time:               1789132080.155187558 secs.nsecs
elapsed_time:             4.777347008 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         1   1   5
4:		         5   6  11
8:		         3   3  15
16:		         5   6  22
32:		        60  77 100
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: 995
miss_total: 0
snapshot_time:            1789132115.935318457 secs.nsecs
start_time:               1789132080.155187558 secs.nsecs
elapsed_time:             35.780130899 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   5   5
2:		         1   1   6
4:		         5   6  12
8:		         3   3  16
16:		         5   6  23
32:		        60  76 100
 - unlinked 0 (time 1789132125 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1789132136 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff88ada39c0800.enable_statahead_fname=1
llite.lustre-ffff88ada39c0800.statahead_min=8
llite.lustre-ffff88ada39c0800.statahead_batch_max=64
llite.lustre-ffff88ada39c0800.statahead_max=128