== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 09:37:41 (1787837861)
llite.lustre-ffff9f4b7b462000.statahead_max=1024
llite.lustre-ffff9f4b7b462000.statahead_batch_max=32
llite.lustre-ffff9f4b7b462000.statahead_min=64
llite.lustre-ffff9f4b7b462000.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 5.88 seconds: 170.14 ops/second
llite.lustre-ffff9f4b7b462000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9f4b7b462000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9f4b7b462000.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:            1787837877.063414844 secs.nsecs
start_time:               1787837872.958030323 secs.nsecs
elapsed_time:             4.105384521 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         5   5  10
4:		        11  12  23
8:		         4   4  28
16:		         0   0  28
32:		        61  71 100
snapshot_time:            1787837877.063485318 secs.nsecs
start_time:               1787837872.958324766 secs.nsecs
elapsed_time:             4.105160552 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: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1787837908.323243695 secs.nsecs
start_time:               1787837872.958030323 secs.nsecs
elapsed_time:             35.365213372 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         5   5  11
4:		        11  12  24
8:		         4   4  29
16:		         0   0  29
32:		        61  70 100
snapshot_time:            1787837908.323308038 secs.nsecs
start_time:               1787837872.958324766 secs.nsecs
elapsed_time:             35.364983272 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 6.05 seconds: 165.31 ops/second
llite.lustre-ffff9f4b7b462000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9f4b7b462000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9f4b7b462000.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:            1787837923.382467190 secs.nsecs
start_time:               1787837919.738834858 secs.nsecs
elapsed_time:             3.643632332 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   1   1
2:		         4   5   6
4:		         3   3  10
8:		         3   3  14
16:		         5   6  20
32:		        61  79 100
snapshot_time:            1787837923.382535868 secs.nsecs
start_time:               1787837919.739394373 secs.nsecs
elapsed_time:             3.643141495 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:            1787837953.745004536 secs.nsecs
start_time:               1787837919.738834858 secs.nsecs
elapsed_time:             34.006169678 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         4   5   7
4:		         3   3  11
8:		         3   3  15
16:		         5   6  21
32:		        61  78 100
snapshot_time:            1787837953.745087483 secs.nsecs
start_time:               1787837919.739394373 secs.nsecs
elapsed_time:             34.005693110 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787837961 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1787837971 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffff9f4b7b462000.enable_statahead_fname=1
llite.lustre-ffff9f4b7b462000.statahead_min=8
llite.lustre-ffff9f4b7b462000.statahead_batch_max=64
llite.lustre-ffff9f4b7b462000.statahead_max=128