== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 15:32:59 (1784057579)
llite.lustre-ffff941748c40000.statahead_max=1024
llite.lustre-ffff941748c40000.statahead_batch_max=32
llite.lustre-ffff941748c40000.statahead_min=64
llite.lustre-ffff941748c40000.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 9.74 seconds: 102.67 ops/second
llite.lustre-ffff941748c40000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff941748c40000.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:            1784057601.040115173 secs.nsecs
start_time:               1784057596.614992439 secs.nsecs
elapsed_time:             4.425122734 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         6   7   9
4:		         8   9  18
8:		         5   5  24
16:		         4   4  29
32:		        60  70 100
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:            1784057631.948271919 secs.nsecs
start_time:               1784057596.614992439 secs.nsecs
elapsed_time:             35.333279480 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         6   6  10
4:		         8   9  19
8:		         5   5  25
16:		         4   4  30
32:		        60  69 100
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
 - create 940 (time 1784057645.56 total 10.01 last 93.92)
total: 1000 create in 10.52 seconds: 95.02 ops/second
llite.lustre-ffff941748c40000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff941748c40000.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:            1784057654.072901476 secs.nsecs
start_time:               1784057649.557040480 secs.nsecs
elapsed_time:             4.515860996 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        23  20  20
2:		         9   7  27
4:		         8   6  34
8:		        14  12  46
16:		         4   3  50
32:		        57  49 100
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:            1784057684.362190089 secs.nsecs
start_time:               1784057649.557040480 secs.nsecs
elapsed_time:             34.805149609 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        24  20  20
2:		         9   7  28
4:		         8   6  35
8:		        14  12  47
16:		         4   3  50
32:		        57  49 100
 - unlinked 0 (time 1784057692 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
 - unlinked 0 (time 1784057706 ; total 0 ; last 0)
total: 1000 unlinks in 16 seconds: 62.500000 unlinks/second
llite.lustre-ffff941748c40000.enable_statahead_fname=1
llite.lustre-ffff941748c40000.statahead_min=8
llite.lustre-ffff941748c40000.statahead_batch_max=64
llite.lustre-ffff941748c40000.statahead_max=128