== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 11:10:13 (1789312213)
llite.lustre-ffff953532cb7000.statahead_max=1024
llite.lustre-ffff953532cb7000.statahead_batch_max=32
llite.lustre-ffff953532cb7000.statahead_min=64
llite.lustre-ffff953532cb7000.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 5.53 seconds: 180.77 ops/second
llite.lustre-ffff953532cb7000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff953532cb7000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff953532cb7000.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:            1789312229.768932935 secs.nsecs
start_time:               1789312225.468979866 secs.nsecs
elapsed_time:             4.299953069 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         5   5  12
4:		        10  11  23
8:		         7   7  31
16:		         2   2  33
32:		        59  66 100
snapshot_time:            1789312229.769016699 secs.nsecs
start_time:               1789312225.469151324 secs.nsecs
elapsed_time:             4.299865375 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 ''
statahead total: 1
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 1
hit_total: 993
miss_total: 2
snapshot_time:            1789312260.302277548 secs.nsecs
start_time:               1789312225.468979866 secs.nsecs
elapsed_time:             34.833297682 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   7   7
2:		         5   5  13
4:		        10  11  24
8:		         7   7  32
16:		         2   2  34
32:		        59  65 100
snapshot_time:            1789312260.302359453 secs.nsecs
start_time:               1789312225.469151324 secs.nsecs
elapsed_time:             34.833208129 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 5.44 seconds: 183.95 ops/second
llite.lustre-ffff953532cb7000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff953532cb7000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff953532cb7000.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:            1789312273.883149670 secs.nsecs
start_time:               1789312270.469894230 secs.nsecs
elapsed_time:             3.413255440 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         9  10  10
2:		         0   0  10
4:		         8   9  19
8:		         5   5  25
16:		         5   5  31
32:		        59  68 100
snapshot_time:            1789312273.883217557 secs.nsecs
start_time:               1789312270.470169541 secs.nsecs
elapsed_time:             3.413048016 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 ''
statahead total: 1
statahead wrong: 0
agl total: 1
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1789312304.254914740 secs.nsecs
start_time:               1789312270.469894230 secs.nsecs
elapsed_time:             33.785020510 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        10  11  11
2:		         0   0  11
4:		         8   9  20
8:		         5   5  26
16:		         5   5  32
32:		        59  67 100
snapshot_time:            1789312304.254990765 secs.nsecs
start_time:               1789312270.470169541 secs.nsecs
elapsed_time:             33.784821224 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1789312312 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1789312322 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffff953532cb7000.enable_statahead_fname=1
llite.lustre-ffff953532cb7000.statahead_min=8
llite.lustre-ffff953532cb7000.statahead_batch_max=64
llite.lustre-ffff953532cb7000.statahead_max=128