== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 15:54:02 (1788551642)
llite.lustre-ffff9eefc7d9d800.statahead_max=1024
llite.lustre-ffff9eefc7d9d800.statahead_batch_max=32
llite.lustre-ffff9eefc7d9d800.statahead_min=64
llite.lustre-ffff9eefc7d9d800.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 7.20 seconds: 138.97 ops/second
llite.lustre-ffff9eefc7d9d800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9eefc7d9d800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9eefc7d9d800.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:            1788551660.596561195 secs.nsecs
start_time:               1788551656.717502932 secs.nsecs
elapsed_time:             3.879058263 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         5   6   8
4:		         8   9  18
8:		         3   3  22
16:		         2   2  24
32:		        61  75 100
snapshot_time:            1788551660.596633323 secs.nsecs
start_time:               1788551656.717616942 secs.nsecs
elapsed_time:             3.879016381 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: 993
miss_total: 2
snapshot_time:            1788551691.916731002 secs.nsecs
start_time:               1788551656.717502932 secs.nsecs
elapsed_time:             35.199228070 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         5   6   9
4:		         8   9  19
8:		         3   3  23
16:		         2   2  25
32:		        61  74 100
snapshot_time:            1788551691.917244435 secs.nsecs
start_time:               1788551656.717616942 secs.nsecs
elapsed_time:             35.199627493 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: 126.67 ops/second
llite.lustre-ffff9eefc7d9d800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9eefc7d9d800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9eefc7d9d800.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:            1788551708.727705729 secs.nsecs
start_time:               1788551704.985238525 secs.nsecs
elapsed_time:             3.742467204 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         3   3   6
4:		         4   4  10
8:		         8   9  20
16:		         6   7  28
32:		        59  71 100
snapshot_time:            1788551708.727779496 secs.nsecs
start_time:               1788551704.985347902 secs.nsecs
elapsed_time:             3.742431594 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:            1788551739.335297057 secs.nsecs
start_time:               1788551704.985238525 secs.nsecs
elapsed_time:             34.350058532 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         3   3   7
4:		         4   4  12
8:		         8   9  21
16:		         6   7  28
32:		        59  71 100
snapshot_time:            1788551739.335379949 secs.nsecs
start_time:               1788551704.985347902 secs.nsecs
elapsed_time:             34.350032047 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1788551747 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1788551759 ; total 0 ; last 0)
total: 1000 unlinks in 14 seconds: 71.428574 unlinks/second
llite.lustre-ffff9eefc7d9d800.enable_statahead_fname=1
llite.lustre-ffff9eefc7d9d800.statahead_min=8
llite.lustre-ffff9eefc7d9d800.statahead_batch_max=64
llite.lustre-ffff9eefc7d9d800.statahead_max=128