== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 12:06:29 (1787846789)
llite.lustre-ffff97d512b7c000.statahead_max=1024
llite.lustre-ffff97d512b7c000.statahead_batch_max=32
llite.lustre-ffff97d512b7c000.statahead_min=64
llite.lustre-ffff97d512b7c000.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 6.21 seconds: 161.07 ops/second
llite.lustre-ffff97d512b7c000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff97d512b7c000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff97d512b7c000.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:            1787846808.727656621 secs.nsecs
start_time:               1787846804.217867071 secs.nsecs
elapsed_time:             4.509789550 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         7   8  12
4:		         7   8  21
8:		         4   4  25
16:		         2   2  28
32:		        61  71 100
snapshot_time:            1787846808.727724394 secs.nsecs
start_time:               1787846804.217949411 secs.nsecs
elapsed_time:             4.509774983 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:            1787846840.383424488 secs.nsecs
start_time:               1787846804.217867071 secs.nsecs
elapsed_time:             36.165557417 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         7   8  13
4:		         7   8  22
8:		         4   4  26
16:		         2   2  29
32:		        61  70 100
snapshot_time:            1787846840.383491804 secs.nsecs
start_time:               1787846804.217949411 secs.nsecs
elapsed_time:             36.165542393 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 6.34 seconds: 157.81 ops/second
llite.lustre-ffff97d512b7c000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff97d512b7c000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff97d512b7c000.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:            1787846855.931690253 secs.nsecs
start_time:               1787846851.938535983 secs.nsecs
elapsed_time:             3.993154270 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   1   1
2:		         3   3   4
4:		         6   7  12
8:		         6   7  19
16:		         6   7  27
32:		        59  72 100
snapshot_time:            1787846855.932352902 secs.nsecs
start_time:               1787846851.938613348 secs.nsecs
elapsed_time:             3.993739554 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 ''
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:            1787846887.059941991 secs.nsecs
start_time:               1787846851.938535983 secs.nsecs
elapsed_time:             35.121406008 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         3   3   6
4:		         6   7  13
8:		         6   7  20
16:		         6   7  28
32:		        59  71 100
snapshot_time:            1787846887.060139814 secs.nsecs
start_time:               1787846851.938613348 secs.nsecs
elapsed_time:             35.121526466 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787846895 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1787846906 ; total 0 ; last 0)
total: 1000 unlinks in 16 seconds: 62.500000 unlinks/second
llite.lustre-ffff97d512b7c000.enable_statahead_fname=1
llite.lustre-ffff97d512b7c000.statahead_min=8
llite.lustre-ffff97d512b7c000.statahead_batch_max=64
llite.lustre-ffff97d512b7c000.statahead_max=128