== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 13:01:56 (1787504516)
llite.lustre-ffff8a6e42e38000.statahead_max=1024
llite.lustre-ffff8a6e42e38000.statahead_batch_max=32
llite.lustre-ffff8a6e42e38000.statahead_min=64
llite.lustre-ffff8a6e42e38000.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 5.12 seconds: 195.31 ops/second
llite.lustre-ffff8a6e42e38000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8a6e42e38000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8a6e42e38000.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:            1787504531.747392380 secs.nsecs
start_time:               1787504527.472255299 secs.nsecs
elapsed_time:             4.275137081 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   9   9
2:		         5   5  15
4:		         7   8  23
8:		         4   4  27
16:		         2   2  30
32:		        60  69 100
snapshot_time:            1787504531.747469018 secs.nsecs
start_time:               1787504527.472366630 secs.nsecs
elapsed_time:             4.275102388 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:            1787504563.178363243 secs.nsecs
start_time:               1787504527.472255299 secs.nsecs
elapsed_time:             35.706107944 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         9  10  10
2:		         5   5  16
4:		         7   8  24
8:		         4   4  28
16:		         2   2  31
32:		        60  68 100
snapshot_time:            1787504563.178459151 secs.nsecs
start_time:               1787504527.472366630 secs.nsecs
elapsed_time:             35.706092521 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 6.19 seconds: 161.54 ops/second
llite.lustre-ffff8a6e42e38000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8a6e42e38000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8a6e42e38000.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:            1787504579.062600222 secs.nsecs
start_time:               1787504575.297463808 secs.nsecs
elapsed_time:             3.765136414 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         3   3   9
4:		         2   2  12
8:		         6   7  19
16:		         7   8  28
32:		        59  71 100
snapshot_time:            1787504579.062676430 secs.nsecs
start_time:               1787504575.297540356 secs.nsecs
elapsed_time:             3.765136074 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: 994
miss_total: 1
snapshot_time:            1787504609.678825533 secs.nsecs
start_time:               1787504575.297463808 secs.nsecs
elapsed_time:             34.381361725 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   7   7
2:		         3   3  10
4:		         2   2  13
8:		         6   7  20
16:		         7   8  28
32:		        59  71 100
snapshot_time:            1787504609.678890543 secs.nsecs
start_time:               1787504575.297540356 secs.nsecs
elapsed_time:             34.381350187 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787504618 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1787504627 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff8a6e42e38000.enable_statahead_fname=1
llite.lustre-ffff8a6e42e38000.statahead_min=8
llite.lustre-ffff8a6e42e38000.statahead_batch_max=64
llite.lustre-ffff8a6e42e38000.statahead_max=128