== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 18:22:54 (1777587774)
llite.lustre-ffff99da8ea73000.statahead_max=1024
llite.lustre-ffff99da8ea73000.statahead_batch_max=32
llite.lustre-ffff99da8ea73000.statahead_min=64
llite.lustre-ffff99da8ea73000.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 6.70 seconds: 149.21 ops/second
llite.lustre-ffff99da8ea73000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff99da8ea73000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff99da8ea73000.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:            1777587793.173279073 secs.nsecs
start_time:               1777587787.768144457 secs.nsecs
elapsed_time:             5.405134616 secs.nsecs
subreqs per batch   batches   % cum %
1:		         6   7   7
2:		         1   1   8
4:		        10  11  20
8:		         5   5  25
16:		         4   4  30
32:		        59  69 100
snapshot_time:            1777587793.173331573 secs.nsecs
start_time:               1777587787.768252457 secs.nsecs
elapsed_time:             5.405079116 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: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1777587824.961123752 secs.nsecs
start_time:               1777587787.768144457 secs.nsecs
elapsed_time:             37.192979295 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7   8   8
2:		         1   1   9
4:		        10  11  20
8:		         5   5  26
16:		         4   4  31
32:		        59  68 100
snapshot_time:            1777587824.961190191 secs.nsecs
start_time:               1777587787.768252457 secs.nsecs
elapsed_time:             37.192937734 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
 - create 960 (time 1777587842.05 total 10.05 last 95.49)
total: 1000 create in 10.22 seconds: 97.82 ops/second
llite.lustre-ffff99da8ea73000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff99da8ea73000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff99da8ea73000.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:            1777587852.655643704 secs.nsecs
start_time:               1777587847.019035408 secs.nsecs
elapsed_time:             5.636608296 secs.nsecs
subreqs per batch   batches   % cum %
1:		         3   3   3
2:		         3   3   6
4:		         4   4  11
8:		        15  17  29
16:		         2   2  31
32:		        59  68 100
snapshot_time:            1777587852.656215350 secs.nsecs
start_time:               1777587847.019286878 secs.nsecs
elapsed_time:             5.636928472 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:            1777587884.043224640 secs.nsecs
start_time:               1777587847.019035408 secs.nsecs
elapsed_time:             37.024189232 secs.nsecs
subreqs per batch   batches   % cum %
1:		         4   4   4
2:		         3   3   8
4:		         4   4  12
8:		        15  17  29
16:		         2   2  32
32:		        59  67 100
snapshot_time:            1777587884.043287898 secs.nsecs
start_time:               1777587847.019286878 secs.nsecs
elapsed_time:             37.024001020 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1777587892 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1777587901 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
llite.lustre-ffff99da8ea73000.enable_statahead_fname=1
llite.lustre-ffff99da8ea73000.statahead_min=8
llite.lustre-ffff99da8ea73000.statahead_batch_max=64
llite.lustre-ffff99da8ea73000.statahead_max=128