== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 23:00:55 (1785466855)
llite.lustre-ffff99948918d000.statahead_max=1024
llite.lustre-ffff99948918d000.statahead_batch_max=32
llite.lustre-ffff99948918d000.statahead_min=64
llite.lustre-ffff99948918d000.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 9.55 seconds: 104.73 ops/second
llite.lustre-ffff99948918d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff99948918d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff99948918d000.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:            1785466883.698510241 secs.nsecs
start_time:               1785466877.365211340 secs.nsecs
elapsed_time:             6.333298901 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         5   5  12
4:		        14  15  28
8:		         2   2  30
16:		         0   0  30
32:		        61  69 100
snapshot_time:            1785466883.698577661 secs.nsecs
start_time:               1785466877.373405070 secs.nsecs
elapsed_time:             6.325172591 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:            1785466914.355744524 secs.nsecs
start_time:               1785466877.365211340 secs.nsecs
elapsed_time:             36.990533184 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   7   7
2:		         5   5  13
4:		        14  15  29
8:		         2   2  31
16:		         0   0  31
32:		        61  68 100
snapshot_time:            1785466914.355848556 secs.nsecs
start_time:               1785466877.373405070 secs.nsecs
elapsed_time:             36.982443486 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 901 (time 1785466928.75 total 10.00 last 90.08)
total: 1000 create in 11.41 seconds: 87.64 ops/second
llite.lustre-ffff99948918d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff99948918d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff99948918d000.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:            1785466939.232395195 secs.nsecs
start_time:               1785466934.618916098 secs.nsecs
elapsed_time:             4.613479097 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        15  15  15
2:		         4   4  19
4:		         6   6  26
8:		         7   7  33
16:		         5   5  38
32:		        59  61 100
snapshot_time:            1785466939.232464090 secs.nsecs
start_time:               1785466934.620298799 secs.nsecs
elapsed_time:             4.612165291 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 ''
statahead total: 1
statahead wrong: 0
agl total: 1
list_total: 0
fname_total: 1
hit_total: 995
miss_total: 0
snapshot_time:            1785466970.190379424 secs.nsecs
start_time:               1785466934.618916098 secs.nsecs
elapsed_time:             35.571463326 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        16  16  16
2:		         4   4  20
4:		         6   6  26
8:		         7   7  34
16:		         5   5  39
32:		        59  60 100
snapshot_time:            1785466970.190444527 secs.nsecs
start_time:               1785466934.620298799 secs.nsecs
elapsed_time:             35.570145728 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1785466984 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
 - unlinked 0 (time 1785466997 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
llite.lustre-ffff99948918d000.enable_statahead_fname=1
llite.lustre-ffff99948918d000.statahead_min=8
llite.lustre-ffff99948918d000.statahead_batch_max=64
llite.lustre-ffff99948918d000.statahead_max=128