== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 23:56:03 (1789617363)
llite.lustre-ffff9a8a0538a000.statahead_max=1024
llite.lustre-ffff9a8a0538a000.statahead_batch_max=32
llite.lustre-ffff9a8a0538a000.statahead_min=64
llite.lustre-ffff9a8a0538a000.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 6.36 seconds: 157.17 ops/second
llite.lustre-ffff9a8a0538a000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9a8a0538a000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9a8a0538a000.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:            1789617381.573163731 secs.nsecs
start_time:               1789617376.379709195 secs.nsecs
elapsed_time:             5.193454536 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         7   8  10
4:		        11  12  22
8:		         7   8  31
16:		         0   0  31
32:		        60  68 100
snapshot_time:            1789617381.573377545 secs.nsecs
start_time:               1789617376.379825803 secs.nsecs
elapsed_time:             5.193551742 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:            1789617412.299656942 secs.nsecs
start_time:               1789617376.379709195 secs.nsecs
elapsed_time:             35.919947747 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         7   7  11
4:		        11  12  23
8:		         7   7  31
16:		         0   0  31
32:		        60  68 100
snapshot_time:            1789617412.299735122 secs.nsecs
start_time:               1789617376.379825803 secs.nsecs
elapsed_time:             35.919909319 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 6.81 seconds: 146.80 ops/second
llite.lustre-ffff9a8a0538a000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9a8a0538a000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9a8a0538a000.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:            1789617430.359754614 secs.nsecs
start_time:               1789617425.721458845 secs.nsecs
elapsed_time:             4.638295769 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   5   5
2:		         2   2   7
4:		         4   5  12
8:		         5   6  18
16:		         4   5  24
32:		        60  75 100
snapshot_time:            1789617430.359858625 secs.nsecs
start_time:               1789617425.721563795 secs.nsecs
elapsed_time:             4.638294830 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:            1789617461.246126406 secs.nsecs
start_time:               1789617425.721458845 secs.nsecs
elapsed_time:             35.524667561 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         2   2   8
4:		         4   5  13
8:		         5   6  20
16:		         4   5  25
32:		        60  75 100
snapshot_time:            1789617461.246193149 secs.nsecs
start_time:               1789617425.721563795 secs.nsecs
elapsed_time:             35.524629354 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1789617470 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1789617481 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff9a8a0538a000.enable_statahead_fname=1
llite.lustre-ffff9a8a0538a000.statahead_min=8
llite.lustre-ffff9a8a0538a000.statahead_batch_max=64
llite.lustre-ffff9a8a0538a000.statahead_max=128