== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 16:14:41 (1780344881)
llite.lustre-ffff9b98b4bdb000.statahead_max=1024
llite.lustre-ffff9b98b4bdb000.statahead_batch_max=32
llite.lustre-ffff9b98b4bdb000.statahead_min=64
llite.lustre-ffff9b98b4bdb000.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 2.61 seconds: 382.44 ops/second
llite.lustre-ffff9b98b4bdb000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9b98b4bdb000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9b98b4bdb000.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:            1780344888.975762898 secs.nsecs
start_time:               1780344887.075723896 secs.nsecs
elapsed_time:             1.900039002 secs.nsecs
subreqs per batch   batches   % cum %
1:		         2   2   2
2:		         0   0   2
4:		        16  18  21
8:		         5   5  27
16:		         2   2  29
32:		        60  70 100
snapshot_time:            1780344888.975825190 secs.nsecs
start_time:               1780344887.075801132 secs.nsecs
elapsed_time:             1.900024058 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:            1780344919.411116296 secs.nsecs
start_time:               1780344887.075723896 secs.nsecs
elapsed_time:             32.335392400 secs.nsecs
subreqs per batch   batches   % cum %
1:		         3   3   3
2:		         0   0   3
4:		        16  18  22
8:		         5   5  27
16:		         2   2  30
32:		        60  69 100
snapshot_time:            1780344919.411184021 secs.nsecs
start_time:               1780344887.075801132 secs.nsecs
elapsed_time:             32.335382889 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 4.06 seconds: 246.21 ops/second
llite.lustre-ffff9b98b4bdb000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9b98b4bdb000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9b98b4bdb000.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:            1780344928.089206706 secs.nsecs
start_time:               1780344926.073955579 secs.nsecs
elapsed_time:             2.015251127 secs.nsecs
subreqs per batch   batches   % cum %
1:		        44  33  33
2:		         7   5  38
4:		         7   5  44
8:		        12   9  53
16:		         5   3  57
32:		        56  42 100
snapshot_time:            1780344928.089268335 secs.nsecs
start_time:               1780344926.074117326 secs.nsecs
elapsed_time:             2.015151009 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: 1
snapshot_time:            1780344958.672308218 secs.nsecs
start_time:               1780344926.073955579 secs.nsecs
elapsed_time:             32.598352639 secs.nsecs
subreqs per batch   batches   % cum %
1:		        45  34  34
2:		         7   5  39
4:		         7   5  44
8:		        12   9  53
16:		         5   3  57
32:		        56  42 100
snapshot_time:            1780344958.672372622 secs.nsecs
start_time:               1780344926.074117326 secs.nsecs
elapsed_time:             32.598255296 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1780344963 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 unlinks/second
 - unlinked 0 (time 1780344968 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
llite.lustre-ffff9b98b4bdb000.enable_statahead_fname=1
llite.lustre-ffff9b98b4bdb000.statahead_min=8
llite.lustre-ffff9b98b4bdb000.statahead_batch_max=64
llite.lustre-ffff9b98b4bdb000.statahead_max=128