== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 19:14:43 (1779318883)
llite.lustre-ffff8b7b453a5000.statahead_max=1024
llite.lustre-ffff8b7b453a5000.statahead_batch_max=32
llite.lustre-ffff8b7b453a5000.statahead_min=64
llite.lustre-ffff8b7b453a5000.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 8.19 seconds: 122.10 ops/second
llite.lustre-ffff8b7b453a5000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8b7b453a5000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8b7b453a5000.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:            1779318903.560250980 secs.nsecs
start_time:               1779318899.137336299 secs.nsecs
elapsed_time:             4.422914681 secs.nsecs
subreqs per batch   batches   % cum %
1:		         2   2   2
2:		         5   6   8
4:		        13  15  24
8:		         2   2  26
16:		         1   1  27
32:		        60  72 100
snapshot_time:            1779318903.560313746 secs.nsecs
start_time:               1779318899.137526928 secs.nsecs
elapsed_time:             4.422786818 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s 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:            1779318934.264565703 secs.nsecs
start_time:               1779318899.137336299 secs.nsecs
elapsed_time:             35.127229404 secs.nsecs
subreqs per batch   batches   % cum %
1:		         3   3   3
2:		         5   5   9
4:		        13  15  25
8:		         2   2  27
16:		         1   1  28
32:		        60  71 100
snapshot_time:            1779318934.264670448 secs.nsecs
start_time:               1779318899.137526928 secs.nsecs
elapsed_time:             35.127143520 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 9.31 seconds: 107.38 ops/second
llite.lustre-ffff8b7b453a5000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8b7b453a5000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8b7b453a5000.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:            1779318957.117500913 secs.nsecs
start_time:               1779318952.184147204 secs.nsecs
elapsed_time:             4.933353709 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7   8   8
2:		         5   6  14
4:		         2   2  16
8:		         3   3  20
16:		         6   7  27
32:		        60  72 100
snapshot_time:            1779318957.117584488 secs.nsecs
start_time:               1779318952.184223616 secs.nsecs
elapsed_time:             4.933360872 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:            1779318987.727796678 secs.nsecs
start_time:               1779318952.184147204 secs.nsecs
elapsed_time:             35.543649474 secs.nsecs
subreqs per batch   batches   % cum %
1:		         8   9   9
2:		         5   5  15
4:		         2   2  17
8:		         3   3  21
16:		         6   7  28
32:		        60  71 100
snapshot_time:            1779318987.727858173 secs.nsecs
start_time:               1779318952.184223616 secs.nsecs
elapsed_time:             35.543634557 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1779318998 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1779319008 ; total 0 ; last 0)
total: 1000 unlinks in 18 seconds: 55.555557 unlinks/second
llite.lustre-ffff8b7b453a5000.enable_statahead_fname=1
llite.lustre-ffff8b7b453a5000.statahead_min=8
llite.lustre-ffff8b7b453a5000.statahead_batch_max=64
llite.lustre-ffff8b7b453a5000.statahead_max=128