== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 18:13:14 (1778623994)
llite.lustre-ffff89db3f5ea000.statahead_max=1024
llite.lustre-ffff89db3f5ea000.statahead_batch_max=32
llite.lustre-ffff89db3f5ea000.statahead_min=64
llite.lustre-ffff89db3f5ea000.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 5.00 seconds: 200.04 ops/second
llite.lustre-ffff89db3f5ea000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff89db3f5ea000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff89db3f5ea000.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:            1778624009.798955908 secs.nsecs
start_time:               1778624005.514653813 secs.nsecs
elapsed_time:             4.284302095 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7   7   7
2:		         6   6  14
4:		        14  15  29
8:		         5   5  35
16:		         0   0  35
32:		        59  64 100
snapshot_time:            1778624009.799021549 secs.nsecs
start_time:               1778624005.514731438 secs.nsecs
elapsed_time:             4.284290111 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:            1778624040.434904981 secs.nsecs
start_time:               1778624005.514653813 secs.nsecs
elapsed_time:             34.920251168 secs.nsecs
subreqs per batch   batches   % cum %
1:		         8   8   8
2:		         6   6  15
4:		        14  15  30
8:		         5   5  35
16:		         0   0  35
32:		        59  64 100
snapshot_time:            1778624040.434969267 secs.nsecs
start_time:               1778624005.514731438 secs.nsecs
elapsed_time:             34.920237829 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 6.31 seconds: 158.46 ops/second
llite.lustre-ffff89db3f5ea000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff89db3f5ea000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff89db3f5ea000.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:            1778624054.685762497 secs.nsecs
start_time:               1778624051.731683222 secs.nsecs
elapsed_time:             2.954079275 secs.nsecs
subreqs per batch   batches   % cum %
1:		         2   2   2
2:		         4   4   7
4:		         5   6  13
8:		         5   6  19
16:		         7   8  28
32:		        58  71 100
snapshot_time:            1778624054.685827812 secs.nsecs
start_time:               1778624051.732006950 secs.nsecs
elapsed_time:             2.953820862 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: 1
list_total: 0
fname_total: 1
hit_total: 995
miss_total: 0
snapshot_time:            1778624086.351401368 secs.nsecs
start_time:               1778624051.731683222 secs.nsecs
elapsed_time:             34.619718146 secs.nsecs
subreqs per batch   batches   % cum %
1:		         3   3   3
2:		         4   4   8
4:		         5   6  14
8:		         5   6  20
16:		         7   8  29
32:		        58  70 100
snapshot_time:            1778624086.351471913 secs.nsecs
start_time:               1778624051.732006950 secs.nsecs
elapsed_time:             34.619464963 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1778624094 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1778624103 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff89db3f5ea000.enable_statahead_fname=1
llite.lustre-ffff89db3f5ea000.statahead_min=8
llite.lustre-ffff89db3f5ea000.statahead_batch_max=64
llite.lustre-ffff89db3f5ea000.statahead_max=128