== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 19:41:25 (1781221285)
llite.lustre-ffff98bbc8496000.statahead_max=1024
llite.lustre-ffff98bbc8496000.statahead_batch_max=32
llite.lustre-ffff98bbc8496000.statahead_min=64
llite.lustre-ffff98bbc8496000.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 4.49 seconds: 222.54 ops/second
llite.lustre-ffff98bbc8496000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff98bbc8496000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98bbc8496000.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:            1781221302.149583097 secs.nsecs
start_time:               1781221297.440222130 secs.nsecs
elapsed_time:             4.709360967 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5   5   5
2:		         9  10  15
4:		         9  10  25
8:		         5   5  31
16:		         2   2  33
32:		        59  66 100
snapshot_time:            1781221302.149647352 secs.nsecs
start_time:               1781221297.440343203 secs.nsecs
elapsed_time:             4.709304149 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:            1781221332.518977453 secs.nsecs
start_time:               1781221297.440222130 secs.nsecs
elapsed_time:             35.078755323 secs.nsecs
subreqs per batch   batches   % cum %
1:		         6   6   6
2:		         9  10  16
4:		         9  10  26
8:		         5   5  32
16:		         2   2  34
32:		        59  65 100
snapshot_time:            1781221332.519642376 secs.nsecs
start_time:               1781221297.440343203 secs.nsecs
elapsed_time:             35.079299173 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 6.99 seconds: 143.09 ops/second
llite.lustre-ffff98bbc8496000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff98bbc8496000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98bbc8496000.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:            1781221348.517052838 secs.nsecs
start_time:               1781221344.999746710 secs.nsecs
elapsed_time:             3.517306128 secs.nsecs
subreqs per batch   batches   % cum %
1:		         4   5   5
2:		         1   1   6
4:		         5   6  12
8:		         3   3  16
16:		         6   7  23
32:		        61  76 100
snapshot_time:            1781221348.517108873 secs.nsecs
start_time:               1781221345.000250578 secs.nsecs
elapsed_time:             3.516858295 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:            1781221379.342934402 secs.nsecs
start_time:               1781221344.999746710 secs.nsecs
elapsed_time:             34.343187692 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5   6   6
2:		         1   1   7
4:		         5   6  13
8:		         3   3  17
16:		         6   7  24
32:		        61  75 100
snapshot_time:            1781221379.343077277 secs.nsecs
start_time:               1781221345.000250578 secs.nsecs
elapsed_time:             34.342826699 secs.nsecs
subreqs per batch   batches   % cum %
1:		         0   0   0
 - unlinked 0 (time 1781221391 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
 - unlinked 0 (time 1781221403 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffff98bbc8496000.enable_statahead_fname=1
llite.lustre-ffff98bbc8496000.statahead_min=8
llite.lustre-ffff98bbc8496000.statahead_batch_max=64
llite.lustre-ffff98bbc8496000.statahead_max=128