== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 19:21:29 (1788650489)
llite.lustre-ffff98add8599000.statahead_max=1024
llite.lustre-ffff98add8599000.statahead_batch_max=32
llite.lustre-ffff98add8599000.statahead_min=64
llite.lustre-ffff98add8599000.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 5.36 seconds: 186.44 ops/second
llite.lustre-ffff98add8599000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff98add8599000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98add8599000.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:            1788650504.194566396 secs.nsecs
start_time:               1788650499.642716187 secs.nsecs
elapsed_time:             4.551850209 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         4   4   9
4:		        10  11  21
8:		         5   5  27
16:		         3   3  30
32:		        59  69 100
snapshot_time:            1788650504.194647899 secs.nsecs
start_time:               1788650499.642793407 secs.nsecs
elapsed_time:             4.551854492 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:            1788650535.077939436 secs.nsecs
start_time:               1788650499.642716187 secs.nsecs
elapsed_time:             35.435223249 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         4   4  10
4:		        10  11  22
8:		         5   5  27
16:		         3   3  31
32:		        59  68 100
snapshot_time:            1788650535.078032539 secs.nsecs
start_time:               1788650499.642793407 secs.nsecs
elapsed_time:             35.435239132 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 5.22 seconds: 191.74 ops/second
llite.lustre-ffff98add8599000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff98add8599000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98add8599000.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:            1788650550.347003181 secs.nsecs
start_time:               1788650546.124761495 secs.nsecs
elapsed_time:             4.222241686 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         2   2   5
4:		         3   3   8
8:		         7   8  17
16:		         8  10  27
32:		        58  72 100
snapshot_time:            1788650550.347076363 secs.nsecs
start_time:               1788650546.125218200 secs.nsecs
elapsed_time:             4.221858163 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 ''
statahead total: 1
statahead wrong: 0
agl total: 1
list_total: 0
fname_total: 1
hit_total: 995
miss_total: 0
snapshot_time:            1788650580.667225831 secs.nsecs
start_time:               1788650546.124761495 secs.nsecs
elapsed_time:             34.542464336 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         2   2   6
4:		         3   3   9
8:		         7   8  18
16:		         8   9  28
32:		        58  71 100
snapshot_time:            1788650580.667292593 secs.nsecs
start_time:               1788650546.125218200 secs.nsecs
elapsed_time:             34.542074393 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1788650589 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1788650599 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff98add8599000.enable_statahead_fname=1
llite.lustre-ffff98add8599000.statahead_min=8
llite.lustre-ffff98add8599000.statahead_batch_max=64
llite.lustre-ffff98add8599000.statahead_max=128