== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 10:17:24 (1787753844)
llite.lustre-ffff8dfac1f66000.statahead_max=1024
llite.lustre-ffff8dfac1f66000.statahead_batch_max=32
llite.lustre-ffff8dfac1f66000.statahead_min=64
llite.lustre-ffff8dfac1f66000.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 897 (time 1787753863.34 total 10.01 last 89.59)
total: 1000 create in 11.67 seconds: 85.65 ops/second
llite.lustre-ffff8dfac1f66000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8dfac1f66000.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:            1787753873.091981533 secs.nsecs
start_time:               1787753868.100613123 secs.nsecs
elapsed_time:             4.991368410 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         7   8  14
4:		         5   5  20
8:		         6   7  27
16:		         1   1  28
32:		        60  71 100
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: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1787753903.416704900 secs.nsecs
start_time:               1787753868.100613123 secs.nsecs
elapsed_time:             35.316091777 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   7   7
2:		         7   8  15
4:		         5   5  21
8:		         6   7  28
16:		         1   1  29
32:		        60  70 100
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 8.67 seconds: 115.32 ops/second
llite.lustre-ffff8dfac1f66000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8dfac1f66000.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:            1787753923.680396112 secs.nsecs
start_time:               1787753919.466471155 secs.nsecs
elapsed_time:             4.213924957 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   9   9
2:		         3   3  13
4:		         5   5  19
8:		         3   3  22
16:		         4   4  27
32:		        61  72 100
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:            1787753954.957601857 secs.nsecs
start_time:               1787753919.466471155 secs.nsecs
elapsed_time:             35.491130702 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         9  10  10
2:		         3   3  14
4:		         5   5  20
8:		         3   3  23
16:		         4   4  28
32:		        61  71 100
 - unlinked 0 (time 1787753963 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1787753974 ; total 0 ; last 0)
total: 1000 unlinks in 14 seconds: 71.428574 unlinks/second
llite.lustre-ffff8dfac1f66000.enable_statahead_fname=1
llite.lustre-ffff8dfac1f66000.statahead_min=8
llite.lustre-ffff8dfac1f66000.statahead_batch_max=64
llite.lustre-ffff8dfac1f66000.statahead_max=128