== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 03:35:26 (1789457726)
llite.lustre-ffff892518d69800.statahead_max=1024
llite.lustre-ffff892518d69800.statahead_batch_max=32
llite.lustre-ffff892518d69800.statahead_min=64
llite.lustre-ffff892518d69800.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 926 (time 1789457741.89 total 10.00 last 92.58)
total: 1000 create in 11.39 seconds: 87.81 ops/second
llite.lustre-ffff892518d69800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff892518d69800.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:            1789457750.287240316 secs.nsecs
start_time:               1789457746.171160264 secs.nsecs
elapsed_time:             4.116080052 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         7   7  11
4:		        15  16  28
8:		         3   3  31
16:		         2   2  33
32:		        59  66 100
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:            1789457781.718006510 secs.nsecs
start_time:               1789457746.171160264 secs.nsecs
elapsed_time:             35.546846246 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         7   7  12
4:		        15  16  28
8:		         3   3  32
16:		         2   2  34
32:		        59  65 100
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 7.12 seconds: 140.40 ops/second
llite.lustre-ffff892518d69800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff892518d69800.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:            1789457797.412390261 secs.nsecs
start_time:               1789457793.889422814 secs.nsecs
elapsed_time:             3.522967447 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   7   7
2:		         3   3  10
4:		         5   6  16
8:		         5   6  22
16:		         4   4  27
32:		        60  72 100
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: 1
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1789457828.470720313 secs.nsecs
start_time:               1789457793.889422814 secs.nsecs
elapsed_time:             34.581297499 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   8   8
2:		         3   3  11
4:		         5   5  17
8:		         5   5  23
16:		         4   4  28
32:		        60  71 100
 - unlinked 0 (time 1789457837 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
 - unlinked 0 (time 1789457849 ; total 1 ; last 1)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffff892518d69800.enable_statahead_fname=1
llite.lustre-ffff892518d69800.statahead_min=8
llite.lustre-ffff892518d69800.statahead_batch_max=64
llite.lustre-ffff892518d69800.statahead_max=128