== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 19:07:10 (1788649630)
llite.lustre-ffffa0b1e2e10800.statahead_max=1024
llite.lustre-ffffa0b1e2e10800.statahead_batch_max=32
llite.lustre-ffffa0b1e2e10800.statahead_min=64
llite.lustre-ffffa0b1e2e10800.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 7.73 seconds: 129.30 ops/second
llite.lustre-ffffa0b1e2e10800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffffa0b1e2e10800.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:            1788649647.020545308 secs.nsecs
start_time:               1788649643.103164046 secs.nsecs
elapsed_time:             3.917381262 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   7   7
2:		         5   5  13
4:		        12  13  26
8:		         5   5  32
16:		         1   1  33
32:		        60  66 100
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: 0
list_total: 0
fname_total: 1
hit_total: 993
miss_total: 2
snapshot_time:            1788649678.005664476 secs.nsecs
start_time:               1788649643.103164046 secs.nsecs
elapsed_time:             34.902500430 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   8   8
2:		         5   5  14
4:		        12  13  27
8:		         5   5  32
16:		         1   1  34
32:		        60  65 100
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 6.23 seconds: 160.61 ops/second
llite.lustre-ffffa0b1e2e10800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffffa0b1e2e10800.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:            1788649692.648900416 secs.nsecs
start_time:               1788649689.381822676 secs.nsecs
elapsed_time:             3.267077740 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   4   4
2:		         0   0   4
4:		         3   4   8
8:		         1   1   9
16:		         5   6  16
32:		        61  83 100
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s 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:            1788649723.316548127 secs.nsecs
start_time:               1788649689.381822676 secs.nsecs
elapsed_time:             33.934725451 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   5   5
2:		         0   0   5
4:		         3   4   9
8:		         1   1  10
16:		         5   6  17
32:		        61  82 100
 - unlinked 0 (time 1788649732 ; total 0 ; last 0)
total: 1000 unlinks in 7 seconds: 142.857147 unlinks/second
 - unlinked 0 (time 1788649743 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffffa0b1e2e10800.enable_statahead_fname=1
llite.lustre-ffffa0b1e2e10800.statahead_min=8
llite.lustre-ffffa0b1e2e10800.statahead_batch_max=64
llite.lustre-ffffa0b1e2e10800.statahead_max=128