== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 16:48:06 (1788295686)
llite.lustre-ffff9de703027000.statahead_max=1024
llite.lustre-ffff9de703027000.statahead_batch_max=32
llite.lustre-ffff9de703027000.statahead_min=64
llite.lustre-ffff9de703027000.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 7.42 seconds: 134.85 ops/second
llite.lustre-ffff9de703027000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9de703027000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9de703027000.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:            1788295704.254770837 secs.nsecs
start_time:               1788295700.229654749 secs.nsecs
elapsed_time:             4.025116088 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         6   7   9
4:		         7   8  18
8:		         2   2  20
16:		         4   4  25
32:		        60  74 100
snapshot_time:            1788295704.254850092 secs.nsecs
start_time:               1788295700.229778938 secs.nsecs
elapsed_time:             4.025071154 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:            1788295735.108893772 secs.nsecs
start_time:               1788295700.229654749 secs.nsecs
elapsed_time:             34.879239023 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         6   7  10
4:		         7   8  19
8:		         2   2  21
16:		         4   4  26
32:		        60  73 100
snapshot_time:            1788295735.108960483 secs.nsecs
start_time:               1788295700.229778938 secs.nsecs
elapsed_time:             34.879181545 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 6.54 seconds: 152.91 ops/second
llite.lustre-ffff9de703027000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9de703027000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9de703027000.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:            1788295750.158741140 secs.nsecs
start_time:               1788295746.486893786 secs.nsecs
elapsed_time:             3.671847354 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   7   7
2:		         1   1   8
4:		         3   3  11
8:		         6   7  18
16:		        11  12  31
32:		        58  68 100
snapshot_time:            1788295750.158870823 secs.nsecs
start_time:               1788295746.487632716 secs.nsecs
elapsed_time:             3.671238107 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:            1788295780.372220779 secs.nsecs
start_time:               1788295746.486893786 secs.nsecs
elapsed_time:             33.885326993 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   8   8
2:		         1   1   9
4:		         3   3  12
8:		         6   6  19
16:		        11  12  32
32:		        58  67 100
snapshot_time:            1788295780.373771390 secs.nsecs
start_time:               1788295746.487632716 secs.nsecs
elapsed_time:             33.886138674 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1788295787 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1788295797 ; total 0 ; last 0)
total: 1000 unlinks in 13 seconds: 76.923080 unlinks/second
llite.lustre-ffff9de703027000.enable_statahead_fname=1
llite.lustre-ffff9de703027000.statahead_min=8
llite.lustre-ffff9de703027000.statahead_batch_max=64
llite.lustre-ffff9de703027000.statahead_max=128