== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 09:50:50 (1787147450)
llite.lustre-ffff9f7196153800.statahead_max=1024
llite.lustre-ffff9f7196153800.statahead_batch_max=32
llite.lustre-ffff9f7196153800.statahead_min=64
llite.lustre-ffff9f7196153800.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 843 (time 1787147467.42 total 10.01 last 84.19)
total: 1000 create in 11.99 seconds: 83.42 ops/second
llite.lustre-ffff9f7196153800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9f7196153800.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:            1787147480.528903511 secs.nsecs
start_time:               1787147473.527913238 secs.nsecs
elapsed_time:             7.000990273 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         4   5   9
4:		         5   6  15
8:		         2   2  18
16:		         2   2  20
32:		        61  79 100
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: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1787147511.571171759 secs.nsecs
start_time:               1787147473.527913238 secs.nsecs
elapsed_time:             38.043258521 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   5   5
2:		         4   5  10
4:		         5   6  16
8:		         2   2  19
16:		         2   2  21
32:		        61  78 100
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 7.19 seconds: 138.99 ops/second
llite.lustre-ffff9f7196153800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9f7196153800.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:            1787147529.780676747 secs.nsecs
start_time:               1787147525.858637297 secs.nsecs
elapsed_time:             3.922039450 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         4   4   9
4:		         4   4  14
8:		         6   7  21
16:		         5   5  27
32:		        61  72 100
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s 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:            1787147560.766820226 secs.nsecs
start_time:               1787147525.858637297 secs.nsecs
elapsed_time:             34.908182929 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         4   4  10
4:		         4   4  15
8:		         6   7  22
16:		         5   5  28
32:		        61  71 100
 - unlinked 0 (time 1787147568 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
 - unlinked 0 (time 1787147580 ; total 0 ; last 0)
total: 1000 unlinks in 14 seconds: 71.428574 unlinks/second
llite.lustre-ffff9f7196153800.enable_statahead_fname=1
llite.lustre-ffff9f7196153800.statahead_min=8
llite.lustre-ffff9f7196153800.statahead_batch_max=64
llite.lustre-ffff9f7196153800.statahead_max=128