== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 23:35:41 (1788924941)
llite.lustre-ffff8c67d9588800.statahead_max=1024
llite.lustre-ffff8c67d9588800.statahead_batch_max=32
llite.lustre-ffff8c67d9588800.statahead_min=64
llite.lustre-ffff8c67d9588800.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: 161.10 ops/second
llite.lustre-ffff8c67d9588800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8c67d9588800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8c67d9588800.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:            1788924958.288369065 secs.nsecs
start_time:               1788924954.012502394 secs.nsecs
elapsed_time:             4.275866671 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		        11  12  14
4:		        11  12  27
8:		         3   3  30
16:		         1   1  31
32:		        60  68 100
snapshot_time:            1788924958.288434772 secs.nsecs
start_time:               1788924954.012584604 secs.nsecs
elapsed_time:             4.275850168 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:            1788924988.598253712 secs.nsecs
start_time:               1788924954.012502394 secs.nsecs
elapsed_time:             34.585751318 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		        11  12  15
4:		        11  12  28
8:		         3   3  31
16:		         1   1  32
32:		        60  67 100
snapshot_time:            1788924988.598407042 secs.nsecs
start_time:               1788924954.012584604 secs.nsecs
elapsed_time:             34.585822438 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 6.41 seconds: 155.95 ops/second
llite.lustre-ffff8c67d9588800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8c67d9588800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8c67d9588800.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:            1788925003.679485996 secs.nsecs
start_time:               1788925000.217116947 secs.nsecs
elapsed_time:             3.462369049 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         3   3   8
4:		         4   4  13
8:		        13  14  27
16:		         5   5  33
32:		        60  66 100
snapshot_time:            1788925003.679573216 secs.nsecs
start_time:               1788925000.217208732 secs.nsecs
elapsed_time:             3.462364484 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: 995
miss_total: 0
snapshot_time:            1788925034.475596194 secs.nsecs
start_time:               1788925000.217116947 secs.nsecs
elapsed_time:             34.258479247 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         3   3   9
4:		         4   4  14
8:		        13  14  28
16:		         5   5  34
32:		        60  65 100
snapshot_time:            1788925034.476944835 secs.nsecs
start_time:               1788925000.217208732 secs.nsecs
elapsed_time:             34.259736103 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1788925043 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
 - unlinked 0 (time 1788925056 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffff8c67d9588800.enable_statahead_fname=1
llite.lustre-ffff8c67d9588800.statahead_min=8
llite.lustre-ffff8c67d9588800.statahead_batch_max=64
llite.lustre-ffff8c67d9588800.statahead_max=128