== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 00:20:15 (1763356815)
llite.lustre-ffff998082e16800.statahead_max=1024
llite.lustre-ffff998082e16800.statahead_batch_max=32
llite.lustre-ffff998082e16800.statahead_min=64
llite.lustre-ffff998082e16800.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 1.19 seconds: 839.70 ops/second
llite.lustre-ffff998082e16800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff998082e16800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff998082e16800.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:            1763356820.429516845 secs.nsecs
start_time:               1763356818.428015507 secs.nsecs
elapsed_time:             2.001501338 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
2:		         0   0   0
4:		        23  27  27
8:		         1   1  28
16:		         0   0  28
32:		        60  71 100
snapshot_time:            1763356820.429557185 secs.nsecs
start_time:               1763356818.428066530 secs.nsecs
elapsed_time:             2.001490655 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:            1763356850.614078932 secs.nsecs
start_time:               1763356818.428015507 secs.nsecs
elapsed_time:             32.186063425 secs.nsecs
subreqs per batch   batches   % cum %
1:		         1   1   1
2:		         0   0   1
4:		        23  27  28
8:		         1   1  29
16:		         0   0  29
32:		        60  70 100
snapshot_time:            1763356850.614155815 secs.nsecs
start_time:               1763356818.428066530 secs.nsecs
elapsed_time:             32.186089285 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 1.25 seconds: 797.20 ops/second
llite.lustre-ffff998082e16800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff998082e16800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff998082e16800.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:            1763356855.572760412 secs.nsecs
start_time:               1763356853.485859480 secs.nsecs
elapsed_time:             2.086900932 secs.nsecs
subreqs per batch   batches   % cum %
1:		        20  20  20
2:		         1   1  21
4:		         2   2  23
8:		        10  10  33
16:		        10  10  43
32:		        57  57 100
snapshot_time:            1763356855.572798407 secs.nsecs
start_time:               1763356853.485909715 secs.nsecs
elapsed_time:             2.086888692 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:            1763356886.813278910 secs.nsecs
start_time:               1763356853.485859480 secs.nsecs
elapsed_time:             33.327419430 secs.nsecs
subreqs per batch   batches   % cum %
1:		        21  20  20
2:		         1   0  21
4:		         2   1  23
8:		        10   9  33
16:		        10   9  43
32:		        57  56 100
snapshot_time:            1763356886.813324782 secs.nsecs
start_time:               1763356853.485909715 secs.nsecs
elapsed_time:             33.327415067 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1763356889 ; total 0 ; last 0)
total: 1000 unlinks in 1 seconds: 1000.000000 unlinks/second
 - unlinked 0 (time 1763356891 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
llite.lustre-ffff998082e16800.enable_statahead_fname=1
llite.lustre-ffff998082e16800.statahead_min=8
llite.lustre-ffff998082e16800.statahead_batch_max=64
llite.lustre-ffff998082e16800.statahead_max=128