== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 12:55:45 (1785948945)
llite.lustre-ffff987a0621d000.statahead_max=1024
llite.lustre-ffff987a0621d000.statahead_batch_max=32
llite.lustre-ffff987a0621d000.statahead_min=64
llite.lustre-ffff987a0621d000.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 952 (time 1785948961.77 total 10.00 last 95.16)
total: 1000 create in 10.48 seconds: 95.38 ops/second
llite.lustre-ffff987a0621d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff987a0621d000.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:            1785948969.824540153 secs.nsecs
start_time:               1785948964.989675061 secs.nsecs
elapsed_time:             4.834865092 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         3   3   6
4:		        13  15  21
8:		         5   6  27
16:		         0   0  27
32:		        60  72 100
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:            1785949000.924707347 secs.nsecs
start_time:               1785948964.989675061 secs.nsecs
elapsed_time:             35.935032286 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         3   3   7
4:		        13  15  22
8:		         5   5  28
16:		         0   0  28
32:		        60  71 100
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 8.91 seconds: 112.29 ops/second
llite.lustre-ffff987a0621d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff987a0621d000.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:            1785949022.969717594 secs.nsecs
start_time:               1785949017.706488345 secs.nsecs
elapsed_time:             5.263229249 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         4   4   9
4:		         7   7  17
8:		         9  10  27
16:		         6   6  34
32:		        58  65 100
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: 1
list_total: 0
fname_total: 1
hit_total: 995
miss_total: 0
snapshot_time:            1785949054.748606102 secs.nsecs
start_time:               1785949017.706488345 secs.nsecs
elapsed_time:             37.042117757 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         4   4  10
4:		         7   7  17
8:		         9  10  28
16:		         6   6  34
32:		        58  65 100
 - unlinked 0 (time 1785949068 ; total 0 ; last 0)
total: 1000 unlinks in 13 seconds: 76.923080 unlinks/second
 - unlinked 0 (time 1785949087 ; total 0 ; last 0)
total: 1000 unlinks in 16 seconds: 62.500000 unlinks/second
llite.lustre-ffff987a0621d000.enable_statahead_fname=1
llite.lustre-ffff987a0621d000.statahead_min=8
llite.lustre-ffff987a0621d000.statahead_batch_max=64
llite.lustre-ffff987a0621d000.statahead_max=128