== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 18:03:37 (1781215417)
llite.lustre-ffff8db8a05ac000.statahead_max=1024
llite.lustre-ffff8db8a05ac000.statahead_batch_max=32
llite.lustre-ffff8db8a05ac000.statahead_min=64
llite.lustre-ffff8db8a05ac000.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 4.14 seconds: 241.36 ops/second
llite.lustre-ffff8db8a05ac000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8db8a05ac000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8db8a05ac000.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:            1781215427.629237543 secs.nsecs
start_time:               1781215425.163291064 secs.nsecs
elapsed_time:             2.465946479 secs.nsecs
subreqs per batch   batches   % cum %
1:		        11  12  12
2:		         1   1  13
4:		        11  12  25
8:		         4   4  30
16:		         2   2  32
32:		        60  67 100
snapshot_time:            1781215427.629283239 secs.nsecs
start_time:               1781215425.163526665 secs.nsecs
elapsed_time:             2.465756574 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:            1781215458.547216241 secs.nsecs
start_time:               1781215425.163291064 secs.nsecs
elapsed_time:             33.383925177 secs.nsecs
subreqs per batch   batches   % cum %
1:		        12  13  13
2:		         1   1  14
4:		        11  12  26
8:		         4   4  31
16:		         2   2  33
32:		        60  66 100
snapshot_time:            1781215458.547282411 secs.nsecs
start_time:               1781215425.163526665 secs.nsecs
elapsed_time:             33.383755746 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 3.80 seconds: 262.95 ops/second
llite.lustre-ffff8db8a05ac000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8db8a05ac000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8db8a05ac000.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:            1781215467.047028988 secs.nsecs
start_time:               1781215465.078698763 secs.nsecs
elapsed_time:             1.968330225 secs.nsecs
subreqs per batch   batches   % cum %
1:		        20  18  18
2:		         5   4  22
4:		         7   6  29
8:		         9   8  37
16:		        15  13  50
32:		        54  49 100
snapshot_time:            1781215467.047097473 secs.nsecs
start_time:               1781215465.078792796 secs.nsecs
elapsed_time:             1.968304677 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:            1781215497.801618792 secs.nsecs
start_time:               1781215465.078698763 secs.nsecs
elapsed_time:             32.722920029 secs.nsecs
subreqs per batch   batches   % cum %
1:		        21  18  18
2:		         5   4  23
4:		         7   6  29
8:		         9   8  37
16:		        15  13  51
32:		        54  48 100
snapshot_time:            1781215497.801738660 secs.nsecs
start_time:               1781215465.078792796 secs.nsecs
elapsed_time:             32.722945864 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1781215502 ; total 0 ; last 0)
total: 1000 unlinks in 4 seconds: 250.000000 unlinks/second
 - unlinked 0 (time 1781215509 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
llite.lustre-ffff8db8a05ac000.enable_statahead_fname=1
llite.lustre-ffff8db8a05ac000.statahead_min=8
llite.lustre-ffff8db8a05ac000.statahead_batch_max=64
llite.lustre-ffff8db8a05ac000.statahead_max=128