== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 05:35:12 (1785404112)
llite.lustre-ffff9d135906d800.statahead_max=1024
llite.lustre-ffff9d135906d800.statahead_batch_max=32
llite.lustre-ffff9d135906d800.statahead_min=64
llite.lustre-ffff9d135906d800.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 672 (time 1785404129.72 total 10.00 last 67.18)
total: 1000 create in 15.42 seconds: 64.84 ops/second
llite.lustre-ffff9d135906d800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9d135906d800.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:            1785404147.018230073 secs.nsecs
start_time:               1785404139.555820100 secs.nsecs
elapsed_time:             7.462409973 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         1   1   5
4:		         9  11  16
8:		         4   5  21
16:		         1   1  22
32:		        61  77 100
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s 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:            1785404178.041861096 secs.nsecs
start_time:               1785404139.555820100 secs.nsecs
elapsed_time:             38.486040996 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   5   5
2:		         1   1   6
4:		         9  11  17
8:		         4   5  22
16:		         1   1  23
32:		        61  76 100
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
 - create 803 (time 1785404192.81 total 10.01 last 80.22)
total: 1000 create in 12.69 seconds: 78.81 ops/second
llite.lustre-ffff9d135906d800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9d135906d800.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:            1785404206.287955031 secs.nsecs
start_time:               1785404200.061737322 secs.nsecs
elapsed_time:             6.226217709 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         1   1   5
4:		         8  10  15
8:		         2   2  17
16:		         7   8  26
32:		        59  73 100
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: 994
miss_total: 1
snapshot_time:            1785404237.999604492 secs.nsecs
start_time:               1785404200.061737322 secs.nsecs
elapsed_time:             37.937867170 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         1   1   6
4:		         8   9  16
8:		         2   2  18
16:		         7   8  27
32:		        59  72 100
 - unlinked 0 (time 1785404253 ; total 0 ; last 0)
total: 1000 unlinks in 17 seconds: 58.823528 unlinks/second
 - unlinked 0 (time 1785404278 ; total 0 ; last 0)
total: 1000 unlinks in 17 seconds: 58.823528 unlinks/second
llite.lustre-ffff9d135906d800.enable_statahead_fname=1
llite.lustre-ffff9d135906d800.statahead_min=8
llite.lustre-ffff9d135906d800.statahead_batch_max=64
llite.lustre-ffff9d135906d800.statahead_max=128