== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 02:19:23 (1780813163)
llite.lustre-ffff987586da8800.statahead_max=1024
llite.lustre-ffff987586da8800.statahead_batch_max=32
llite.lustre-ffff987586da8800.statahead_min=64
llite.lustre-ffff987586da8800.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 1.99 seconds: 503.61 ops/second
llite.lustre-ffff987586da8800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff987586da8800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff987586da8800.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:            1780813170.191526139 secs.nsecs
start_time:               1780813167.692405894 secs.nsecs
elapsed_time:             2.499120245 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
2:		         0   0   0
4:		        24  28  28
8:		         1   1  29
16:		         1   1  30
32:		        59  69 100
snapshot_time:            1780813170.191566301 secs.nsecs
start_time:               1780813167.692497097 secs.nsecs
elapsed_time:             2.499069204 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:            1780813200.998156790 secs.nsecs
start_time:               1780813167.692405894 secs.nsecs
elapsed_time:             33.305750896 secs.nsecs
subreqs per batch   batches   % cum %
1:		         1   1   1
2:		         0   0   1
4:		        24  27  29
8:		         1   1  30
16:		         1   1  31
32:		        59  68 100
snapshot_time:            1780813200.998235617 secs.nsecs
start_time:               1780813167.692497097 secs.nsecs
elapsed_time:             33.305738520 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 1.97 seconds: 506.77 ops/second
llite.lustre-ffff987586da8800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff987586da8800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff987586da8800.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:            1780813207.262281694 secs.nsecs
start_time:               1780813205.174308959 secs.nsecs
elapsed_time:             2.087972735 secs.nsecs
subreqs per batch   batches   % cum %
1:		        28  24  24
2:		         6   5  30
4:		         3   2  32
8:		         9   7  40
16:		        10   8  49
32:		        57  50 100
snapshot_time:            1780813207.262333919 secs.nsecs
start_time:               1780813205.174388054 secs.nsecs
elapsed_time:             2.087945865 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:            1780813237.816030284 secs.nsecs
start_time:               1780813205.174308959 secs.nsecs
elapsed_time:             32.641721325 secs.nsecs
subreqs per batch   batches   % cum %
1:		        29  25  25
2:		         6   5  30
4:		         3   2  33
8:		         9   7  41
16:		        10   8  50
32:		        57  50 100
snapshot_time:            1780813237.816069901 secs.nsecs
start_time:               1780813205.174388054 secs.nsecs
elapsed_time:             32.641681847 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1780813241 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
 - unlinked 0 (time 1780813245 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 unlinks/second
llite.lustre-ffff987586da8800.enable_statahead_fname=1
llite.lustre-ffff987586da8800.statahead_min=8
llite.lustre-ffff987586da8800.statahead_batch_max=64
llite.lustre-ffff987586da8800.statahead_max=128