== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 00:30:04 (1746073804)
llite.lustre-ffff88009599d000.statahead_max=1024
llite.lustre-ffff88009599d000.statahead_batch_max=32
llite.lustre-ffff88009599d000.statahead_min=64
llite.lustre-ffff88009599d000.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 3.86 seconds: 259.22 ops/second
llite.lustre-ffff88009599d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff88009599d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff88009599d000.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:            1746073814.793056165 secs.nsecs
start_time:               1746073812.072412532 secs.nsecs
elapsed_time:             2.720643633 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7   7   7
2:		         4   4  12
4:		         9  10  22
8:		         4   4  27
16:		         5   5  32
32:		        59  67 100
snapshot_time:            1746073814.793918097 secs.nsecs
start_time:               1746073812.072477242 secs.nsecs
elapsed_time:             2.721440855 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: 994
miss_total: 2
snapshot_time:            1746073845.515077367 secs.nsecs
start_time:               1746073812.072412532 secs.nsecs
elapsed_time:             33.442664835 secs.nsecs
subreqs per batch   batches   % cum %
1:		         8   8   8
2:		         4   4  13
4:		         9  10  23
8:		         4   4  28
16:		         5   5  33
32:		        59  66 100
snapshot_time:            1746073845.518145862 secs.nsecs
start_time:               1746073812.072477242 secs.nsecs
elapsed_time:             33.445668620 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 4.12 seconds: 242.63 ops/second
llite.lustre-ffff88009599d000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff88009599d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff88009599d000.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:            1746073854.724372673 secs.nsecs
start_time:               1746073853.045705467 secs.nsecs
elapsed_time:             1.678667206 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5   6   6
2:		         2   2   8
4:		         3   3  12
8:		         7   8  20
16:		         5   6  26
32:		        60  73 100
snapshot_time:            1746073854.724687327 secs.nsecs
start_time:               1746073853.054234799 secs.nsecs
elapsed_time:             1.670452528 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:            1746073885.135011113 secs.nsecs
start_time:               1746073853.045705467 secs.nsecs
elapsed_time:             32.089305646 secs.nsecs
subreqs per batch   batches   % cum %
1:		         6   7   7
2:		         2   2   9
4:		         3   3  13
8:		         7   8  21
16:		         5   6  27
32:		        60  72 100
snapshot_time:            1746073885.135266949 secs.nsecs
start_time:               1746073853.054234799 secs.nsecs
elapsed_time:             32.081032150 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1746073889 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1746073896 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
llite.lustre-ffff88009599d000.enable_statahead_fname=1
llite.lustre-ffff88009599d000.statahead_min=8
llite.lustre-ffff88009599d000.statahead_batch_max=64
llite.lustre-ffff88009599d000.statahead_max=128