== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 11:10:15 (1785769815)
llite.lustre-ffff8bf748de0800.statahead_max=1024
llite.lustre-ffff8bf748de0800.statahead_batch_max=32
llite.lustre-ffff8bf748de0800.statahead_min=64
llite.lustre-ffff8bf748de0800.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 8.94 seconds: 111.88 ops/second
llite.lustre-ffff8bf748de0800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8bf748de0800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8bf748de0800.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:            1785769838.606941010 secs.nsecs
start_time:               1785769832.729310552 secs.nsecs
elapsed_time:             5.877630458 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         2   2   7
4:		        11  13  20
8:		         5   6  26
16:		         2   2  28
32:		        59  71 100
snapshot_time:            1785769838.607005785 secs.nsecs
start_time:               1785769832.729391791 secs.nsecs
elapsed_time:             5.877613994 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 ''
Waiting 5s for ''
statahead total: 1
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 1
hit_total: 993
miss_total: 2
snapshot_time:            1785769869.739425763 secs.nsecs
start_time:               1785769832.729310552 secs.nsecs
elapsed_time:             37.010115211 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         2   2   8
4:		        11  13  21
8:		         5   5  27
16:		         2   2  29
32:		        59  70 100
snapshot_time:            1785769869.739725025 secs.nsecs
start_time:               1785769832.729391791 secs.nsecs
elapsed_time:             37.010333234 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 7.89 seconds: 126.77 ops/second
llite.lustre-ffff8bf748de0800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8bf748de0800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8bf748de0800.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:            1785769890.792489355 secs.nsecs
start_time:               1785769885.426766905 secs.nsecs
elapsed_time:             5.365722450 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        14  14  14
2:		         5   5  19
4:		         5   5  24
8:		        11  11  35
16:		         8   8  43
32:		        57  57 100
snapshot_time:            1785769890.792555268 secs.nsecs
start_time:               1785769885.426841741 secs.nsecs
elapsed_time:             5.365713527 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:            1785769921.741515541 secs.nsecs
start_time:               1785769885.426766905 secs.nsecs
elapsed_time:             36.314748636 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        15  14  14
2:		         5   4  19
4:		         5   4  24
8:		        11  10  35
16:		         8   7  43
32:		        57  56 100
snapshot_time:            1785769921.741590262 secs.nsecs
start_time:               1785769885.426841741 secs.nsecs
elapsed_time:             36.314748521 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1785769934 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
 - unlinked 0 (time 1785769949 ; total 0 ; last 0)
total: 1000 unlinks in 13 seconds: 76.923080 unlinks/second
llite.lustre-ffff8bf748de0800.enable_statahead_fname=1
llite.lustre-ffff8bf748de0800.statahead_min=8
llite.lustre-ffff8bf748de0800.statahead_batch_max=64
llite.lustre-ffff8bf748de0800.statahead_max=128