== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 12:12:59 (1785946379)
llite.lustre-ffff9851d3f2d000.statahead_max=1024
llite.lustre-ffff9851d3f2d000.statahead_batch_max=32
llite.lustre-ffff9851d3f2d000.statahead_min=64
llite.lustre-ffff9851d3f2d000.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
total: 1000 create in 7.75 seconds: 129.04 ops/second
llite.lustre-ffff9851d3f2d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9851d3f2d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9851d3f2d000.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:            1785946405.216683607 secs.nsecs
start_time:               1785946396.483199266 secs.nsecs
elapsed_time:             8.733484341 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         7   7  12
4:		        13  14  26
8:		         6   6  33
16:		         1   1  34
32:		        59  65 100
snapshot_time:            1785946405.216747403 secs.nsecs
start_time:               1785946396.483285716 secs.nsecs
elapsed_time:             8.733461687 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
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:            1785946436.415085807 secs.nsecs
start_time:               1785946396.483199266 secs.nsecs
elapsed_time:             39.931886541 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         7   7  13
4:		        13  14  27
8:		         6   6  34
16:		         1   1  35
32:		        59  64 100
snapshot_time:            1785946436.415139409 secs.nsecs
start_time:               1785946396.483285716 secs.nsecs
elapsed_time:             39.931853693 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
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 711 (time 1785946451.40 total 10.00 last 71.09)
total: 1000 create in 13.61 seconds: 73.48 ops/second
llite.lustre-ffff9851d3f2d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9851d3f2d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9851d3f2d000.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:            1785946464.002307547 secs.nsecs
start_time:               1785946459.181580835 secs.nsecs
elapsed_time:             4.820726712 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         1   1   5
4:		         3   3   8
8:		         7   8  17
16:		         5   6  24
32:		        60  75 100
snapshot_time:            1785946464.002366708 secs.nsecs
start_time:               1785946459.181744740 secs.nsecs
elapsed_time:             4.820621968 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
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:            1785946494.682405501 secs.nsecs
start_time:               1785946459.181580835 secs.nsecs
elapsed_time:             35.500824666 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   5   5
2:		         1   1   6
4:		         3   3  10
8:		         7   8  18
16:		         5   6  25
32:		        60  75 100
snapshot_time:            1785946494.682465541 secs.nsecs
start_time:               1785946459.181744740 secs.nsecs
elapsed_time:             35.500720801 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1785946505 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
 - unlinked 0 (time 1785946519 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
llite.lustre-ffff9851d3f2d000.enable_statahead_fname=1
llite.lustre-ffff9851d3f2d000.statahead_min=8
llite.lustre-ffff9851d3f2d000.statahead_batch_max=64
llite.lustre-ffff9851d3f2d000.statahead_max=128