== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 19:36:17 (1781220977)
llite.lustre-ffff8e938719e800.statahead_max=1024
llite.lustre-ffff8e938719e800.statahead_batch_max=32
llite.lustre-ffff8e938719e800.statahead_min=64
llite.lustre-ffff8e938719e800.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 961 (time 1781220993.56 total 10.00 last 96.07)
total: 1000 create in 10.24 seconds: 97.66 ops/second
llite.lustre-ffff8e938719e800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8e938719e800.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:            1781221000.687610915 secs.nsecs
start_time:               1781220996.028615155 secs.nsecs
elapsed_time:             4.658995760 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5   5   5
2:		         1   1   7
4:		        10  11  18
8:		         9  10  29
16:		         1   1  30
32:		        59  69 100
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:            1781221031.847776094 secs.nsecs
start_time:               1781220996.028615155 secs.nsecs
elapsed_time:             35.819160939 secs.nsecs
subreqs per batch   batches   % cum %
1:		         6   6   6
2:		         1   1   8
4:		        10  11  19
8:		         9  10  30
16:		         1   1  31
32:		        59  68 100
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 7.84 seconds: 127.57 ops/second
llite.lustre-ffff8e938719e800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8e938719e800.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:            1781221050.230165076 secs.nsecs
start_time:               1781221046.287316074 secs.nsecs
elapsed_time:             3.942849002 secs.nsecs
subreqs per batch   batches   % cum %
1:		        12  12  12
2:		         6   6  18
4:		         5   5  24
8:		         7   7  31
16:		         5   5  36
32:		        60  63 100
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:            1781221080.927746091 secs.nsecs
start_time:               1781221046.287316074 secs.nsecs
elapsed_time:             34.640430017 secs.nsecs
subreqs per batch   batches   % cum %
1:		        13  13  13
2:		         6   6  19
4:		         5   5  25
8:		         7   7  32
16:		         5   5  37
32:		        60  62 100
 - unlinked 0 (time 1781221092 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
 - unlinked 0 (time 1781221110 ; total 0 ; last 0)
total: 1000 unlinks in 13 seconds: 76.923080 unlinks/second
llite.lustre-ffff8e938719e800.enable_statahead_fname=1
llite.lustre-ffff8e938719e800.statahead_min=8
llite.lustre-ffff8e938719e800.statahead_batch_max=64
llite.lustre-ffff8e938719e800.statahead_max=128