== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 19:15:37 (1746141337)
llite.lustre-ffff880098db8800.statahead_max=1024
llite.lustre-ffff880098db8800.statahead_batch_max=32
llite.lustre-ffff880098db8800.statahead_min=64
llite.lustre-ffff880098db8800.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 2.60 seconds: 385.35 ops/second
llite.lustre-ffff880098db8800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff880098db8800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff880098db8800.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:            1746141344.113210347 secs.nsecs
start_time:               1746141342.615787319 secs.nsecs
elapsed_time:             1.497423028 secs.nsecs
subreqs per batch   batches   % cum %
1:		        10  10  10
2:		         7   7  18
4:		        12  13  31
8:		         1   1  32
16:		         0   0  32
32:		        61  67 100
snapshot_time:            1746141344.113334323 secs.nsecs
start_time:               1746141342.615836864 secs.nsecs
elapsed_time:             1.497497459 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: 994
miss_total: 2
snapshot_time:            1746141374.753882220 secs.nsecs
start_time:               1746141342.615787319 secs.nsecs
elapsed_time:             32.138094901 secs.nsecs
subreqs per batch   batches   % cum %
1:		        11  11  11
2:		         7   7  19
4:		        12  13  32
8:		         1   1  33
16:		         0   0  33
32:		        61  66 100
snapshot_time:            1746141374.753986640 secs.nsecs
start_time:               1746141342.615836864 secs.nsecs
elapsed_time:             32.138149776 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 2.70 seconds: 370.31 ops/second
llite.lustre-ffff880098db8800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff880098db8800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff880098db8800.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:            1746141380.309533748 secs.nsecs
start_time:               1746141379.342149735 secs.nsecs
elapsed_time:             0.967384013 secs.nsecs
subreqs per batch   batches   % cum %
1:		        20  20  20
2:		         0   0  20
4:		         5   5  25
8:		         9   9  34
16:		         7   7  41
32:		        58  58 100
snapshot_time:            1746141380.309620025 secs.nsecs
start_time:               1746141379.342203465 secs.nsecs
elapsed_time:             0.967416560 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:            1746141411.203231509 secs.nsecs
start_time:               1746141379.342149735 secs.nsecs
elapsed_time:             31.861081774 secs.nsecs
subreqs per batch   batches   % cum %
1:		        21  21  21
2:		         0   0  21
4:		         5   5  26
8:		         9   9  35
16:		         7   7  42
32:		        58  58 100
snapshot_time:            1746141411.203388914 secs.nsecs
start_time:               1746141379.342203465 secs.nsecs
elapsed_time:             31.861185449 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1746141414 ; total 0 ; last 0)
total: 1000 unlinks in 4 seconds: 250.000000 unlinks/second
 - unlinked 0 (time 1746141420 ; total 1 ; last 1)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
llite.lustre-ffff880098db8800.enable_statahead_fname=1
llite.lustre-ffff880098db8800.statahead_min=8
llite.lustre-ffff880098db8800.statahead_batch_max=64
llite.lustre-ffff880098db8800.statahead_max=128