== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 15:50:13 (1785959413)
llite.lustre-ffff98617f420000.statahead_max=1024
llite.lustre-ffff98617f420000.statahead_batch_max=32
llite.lustre-ffff98617f420000.statahead_min=64
llite.lustre-ffff98617f420000.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 9.60 seconds: 104.18 ops/second
llite.lustre-ffff98617f420000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff98617f420000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98617f420000.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:            1785959443.253016555 secs.nsecs
start_time:               1785959435.363522693 secs.nsecs
elapsed_time:             7.889493862 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         7   8  11
4:		        11  13  25
8:		         2   2  27
16:		         0   0  27
32:		        61  72 100
snapshot_time:            1785959443.253096431 secs.nsecs
start_time:               1785959435.363593378 secs.nsecs
elapsed_time:             7.889503053 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: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1785959473.946090899 secs.nsecs
start_time:               1785959435.363522693 secs.nsecs
elapsed_time:             38.582568206 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         7   8  12
4:		        11  12  25
8:		         2   2  28
16:		         0   0  28
32:		        61  71 100
snapshot_time:            1785959473.946627059 secs.nsecs
start_time:               1785959435.363593378 secs.nsecs
elapsed_time:             38.583033681 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 831 (time 1785959489.09 total 10.00 last 83.08)
total: 1000 create in 11.42 seconds: 87.60 ops/second
llite.lustre-ffff98617f420000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff98617f420000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98617f420000.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:            1785959498.743516397 secs.nsecs
start_time:               1785959495.225780552 secs.nsecs
elapsed_time:             3.517735845 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         1   1   5
4:		         8   9  14
8:		        10  11  26
16:		         6   6  32
32:		        59  67 100
snapshot_time:            1785959498.743577265 secs.nsecs
start_time:               1785959495.225850724 secs.nsecs
elapsed_time:             3.517726541 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 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:            1785959529.928212978 secs.nsecs
start_time:               1785959495.225780552 secs.nsecs
elapsed_time:             34.702432426 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         1   1   6
4:		         8   8  15
8:		        10  11  26
16:		         6   6  33
32:		        59  66 100
snapshot_time:            1785959529.928291238 secs.nsecs
start_time:               1785959495.225850724 secs.nsecs
elapsed_time:             34.702440514 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1785959540 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1785959550 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff98617f420000.enable_statahead_fname=1
llite.lustre-ffff98617f420000.statahead_min=8
llite.lustre-ffff98617f420000.statahead_batch_max=64
llite.lustre-ffff98617f420000.statahead_max=128