== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 00:12:58 (1781237578)
llite.lustre-ffff8919a06a1000.statahead_max=1024
llite.lustre-ffff8919a06a1000.statahead_batch_max=32
llite.lustre-ffff8919a06a1000.statahead_min=64
llite.lustre-ffff8919a06a1000.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 6.76 seconds: 147.98 ops/second
llite.lustre-ffff8919a06a1000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8919a06a1000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8919a06a1000.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:            1781237595.696804890 secs.nsecs
start_time:               1781237591.454024200 secs.nsecs
elapsed_time:             4.242780690 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5   5   5
2:		         3   3   9
4:		         4   4  14
8:		         9  10  25
16:		         3   3  28
32:		        60  71 100
snapshot_time:            1781237595.697438608 secs.nsecs
start_time:               1781237591.454207786 secs.nsecs
elapsed_time:             4.243230822 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:            1781237626.935170821 secs.nsecs
start_time:               1781237591.454024200 secs.nsecs
elapsed_time:             35.481146621 secs.nsecs
subreqs per batch   batches   % cum %
1:		         6   7   7
2:		         3   3  10
4:		         4   4  15
8:		         9  10  25
16:		         3   3  29
32:		        60  70 100
snapshot_time:            1781237626.935242736 secs.nsecs
start_time:               1781237591.454207786 secs.nsecs
elapsed_time:             35.481034950 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 8.16 seconds: 122.56 ops/second
llite.lustre-ffff8919a06a1000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8919a06a1000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8919a06a1000.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:            1781237646.794430016 secs.nsecs
start_time:               1781237641.495569337 secs.nsecs
elapsed_time:             5.298860679 secs.nsecs
subreqs per batch   batches   % cum %
1:		         4   4   4
2:		         5   5  10
4:		         4   4  15
8:		        10  11  27
16:		         2   2  29
32:		        60  70 100
snapshot_time:            1781237646.794511321 secs.nsecs
start_time:               1781237641.495933394 secs.nsecs
elapsed_time:             5.298577927 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: 1
list_total: 0
fname_total: 1
hit_total: 995
miss_total: 0
snapshot_time:            1781237678.015907525 secs.nsecs
start_time:               1781237641.495569337 secs.nsecs
elapsed_time:             36.520338188 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5   5   5
2:		         5   5  11
4:		         4   4  16
8:		        10  11  27
16:		         2   2  30
32:		        60  69 100
snapshot_time:            1781237678.015978760 secs.nsecs
start_time:               1781237641.495933394 secs.nsecs
elapsed_time:             36.520045366 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1781237687 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
 - unlinked 0 (time 1781237699 ; total 0 ; last 0)
total: 1000 unlinks in 17 seconds: 58.823528 unlinks/second
llite.lustre-ffff8919a06a1000.enable_statahead_fname=1
llite.lustre-ffff8919a06a1000.statahead_min=8
llite.lustre-ffff8919a06a1000.statahead_batch_max=64
llite.lustre-ffff8919a06a1000.statahead_max=128