== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 06:57:15 (1787828235)
llite.lustre-ffff905da5447800.statahead_max=1024
llite.lustre-ffff905da5447800.statahead_batch_max=32
llite.lustre-ffff905da5447800.statahead_min=64
llite.lustre-ffff905da5447800.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 5.93 seconds: 168.59 ops/second
llite.lustre-ffff905da5447800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff905da5447800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff905da5447800.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:            1787828250.901921531 secs.nsecs
start_time:               1787828247.138316346 secs.nsecs
elapsed_time:             3.763605185 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   1   1
2:		         2   2   3
4:		         6   7  11
8:		        10  12  23
16:		         2   2  25
32:		        60  74 100
snapshot_time:            1787828250.901995532 secs.nsecs
start_time:               1787828247.138400430 secs.nsecs
elapsed_time:             3.763595102 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s 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:            1787828281.372865608 secs.nsecs
start_time:               1787828247.138316346 secs.nsecs
elapsed_time:             34.234549262 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         2   2   4
4:		         6   7  12
8:		        10  12  24
16:		         2   2  26
32:		        60  73 100
snapshot_time:            1787828281.372921896 secs.nsecs
start_time:               1787828247.138400430 secs.nsecs
elapsed_time:             34.234521466 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
total: 1000 create in 6.23 seconds: 160.41 ops/second
llite.lustre-ffff905da5447800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff905da5447800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff905da5447800.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:            1787828296.794432833 secs.nsecs
start_time:               1787828292.544716056 secs.nsecs
elapsed_time:             4.249716777 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         6   6  13
4:		         5   5  18
8:		         6   6  25
16:		         9   9  35
32:		        59  64 100
snapshot_time:            1787828296.794681621 secs.nsecs
start_time:               1787828292.544880854 secs.nsecs
elapsed_time:             4.249800767 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s for ''
Waiting 15s for ''
Waiting 5s for ''
statahead total: 1
statahead wrong: 0
agl total: 1
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1787828327.498258696 secs.nsecs
start_time:               1787828292.544716056 secs.nsecs
elapsed_time:             34.953542640 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   7   7
2:		         6   6  14
4:		         5   5  19
8:		         6   6  26
16:		         9   9  35
32:		        59  64 100
snapshot_time:            1787828327.498520144 secs.nsecs
start_time:               1787828292.544880854 secs.nsecs
elapsed_time:             34.953639290 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787828335 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1787828345 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffff905da5447800.enable_statahead_fname=1
llite.lustre-ffff905da5447800.statahead_min=8
llite.lustre-ffff905da5447800.statahead_batch_max=64
llite.lustre-ffff905da5447800.statahead_max=128