== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 00:38:38 (1763357918)
llite.lustre-ffff8e2d0543a000.statahead_max=1024
llite.lustre-ffff8e2d0543a000.statahead_batch_max=32
llite.lustre-ffff8e2d0543a000.statahead_min=64
llite.lustre-ffff8e2d0543a000.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 1.02 seconds: 976.95 ops/second
llite.lustre-ffff8e2d0543a000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8e2d0543a000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8e2d0543a000.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:            1763357924.244494033 secs.nsecs
start_time:               1763357921.974056444 secs.nsecs
elapsed_time:             2.270437589 secs.nsecs
subreqs per batch   batches   % cum %
1:		         1   1   1
2:		         2   2   3
4:		        17  20  23
8:		         5   5  29
16:		         1   1  30
32:		        59  69 100
snapshot_time:            1763357924.244579648 secs.nsecs
start_time:               1763357921.974135385 secs.nsecs
elapsed_time:             2.270444263 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 ''
statahead total: 1
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1763357954.446506989 secs.nsecs
start_time:               1763357921.974056444 secs.nsecs
elapsed_time:             32.472450545 secs.nsecs
subreqs per batch   batches   % cum %
1:		         2   2   2
2:		         2   2   4
4:		        17  19  24
8:		         5   5  30
16:		         1   1  31
32:		        59  68 100
snapshot_time:            1763357954.446547599 secs.nsecs
start_time:               1763357921.974135385 secs.nsecs
elapsed_time:             32.472412214 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 1.11 seconds: 902.04 ops/second
llite.lustre-ffff8e2d0543a000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8e2d0543a000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8e2d0543a000.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:            1763357959.368307169 secs.nsecs
start_time:               1763357957.274497647 secs.nsecs
elapsed_time:             2.093809522 secs.nsecs
subreqs per batch   batches   % cum %
1:		        16  16  16
2:		         3   3  19
4:		         5   5  24
8:		        13  13  37
16:		         4   4  41
32:		        58  58 100
snapshot_time:            1763357959.368351582 secs.nsecs
start_time:               1763357957.274549682 secs.nsecs
elapsed_time:             2.093801900 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:            1763357989.805722454 secs.nsecs
start_time:               1763357957.274497647 secs.nsecs
elapsed_time:             32.531224807 secs.nsecs
subreqs per batch   batches   % cum %
1:		        17  17  17
2:		         3   3  20
4:		         5   5  25
8:		        13  13  38
16:		         4   4  42
32:		        58  58 100
snapshot_time:            1763357989.805761899 secs.nsecs
start_time:               1763357957.274549682 secs.nsecs
elapsed_time:             32.531212217 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1763357992 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
 - unlinked 0 (time 1763357996 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 unlinks/second
llite.lustre-ffff8e2d0543a000.enable_statahead_fname=1
llite.lustre-ffff8e2d0543a000.statahead_min=8
llite.lustre-ffff8e2d0543a000.statahead_batch_max=64
llite.lustre-ffff8e2d0543a000.statahead_max=128