== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 20:20:20 (1781828420)
llite.lustre-ffff8efe48a7d000.statahead_max=1024
llite.lustre-ffff8efe48a7d000.statahead_batch_max=32
llite.lustre-ffff8efe48a7d000.statahead_min=64
llite.lustre-ffff8efe48a7d000.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 4.78 seconds: 209.01 ops/second
llite.lustre-ffff8efe48a7d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8efe48a7d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8efe48a7d000.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:            1781828433.410452907 secs.nsecs
start_time:               1781828429.831762644 secs.nsecs
elapsed_time:             3.578690263 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         7   8  13
4:		        10  11  25
8:		         5   5  31
16:		         0   0  31
32:		        60  68 100
snapshot_time:            1781828433.410806808 secs.nsecs
start_time:               1781828429.831892689 secs.nsecs
elapsed_time:             3.578914119 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: 993
miss_total: 2
snapshot_time:            1781828464.245436725 secs.nsecs
start_time:               1781828429.831762644 secs.nsecs
elapsed_time:             34.413674081 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         7   7  14
4:		        10  11  26
8:		         5   5  31
16:		         0   0  31
32:		        60  68 100
snapshot_time:            1781828464.245716890 secs.nsecs
start_time:               1781828429.831892689 secs.nsecs
elapsed_time:             34.413824201 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 4.82 seconds: 207.50 ops/second
llite.lustre-ffff8efe48a7d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8efe48a7d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8efe48a7d000.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:            1781828477.010967979 secs.nsecs
start_time:               1781828473.973252239 secs.nsecs
elapsed_time:             3.037715740 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         2   2   6
4:		         7   8  14
8:		         6   7  21
16:		         5   6  27
32:		        60  72 100
snapshot_time:            1781828477.011168630 secs.nsecs
start_time:               1781828473.973326204 secs.nsecs
elapsed_time:             3.037842426 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: 1
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1781828507.880232183 secs.nsecs
start_time:               1781828473.973252239 secs.nsecs
elapsed_time:             33.906979944 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         2   2   7
4:		         7   8  15
8:		         6   7  22
16:		         5   5  28
32:		        60  71 100
snapshot_time:            1781828507.880296543 secs.nsecs
start_time:               1781828473.973326204 secs.nsecs
elapsed_time:             33.906970339 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1781828514 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1781828523 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
llite.lustre-ffff8efe48a7d000.enable_statahead_fname=1
llite.lustre-ffff8efe48a7d000.statahead_min=8
llite.lustre-ffff8efe48a7d000.statahead_batch_max=64
llite.lustre-ffff8efe48a7d000.statahead_max=128