== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 18:41:24 (1787870484)
llite.lustre-ffff9d84fc2e5800.statahead_max=1024
llite.lustre-ffff9d84fc2e5800.statahead_batch_max=32
llite.lustre-ffff9d84fc2e5800.statahead_min=64
llite.lustre-ffff9d84fc2e5800.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 5.17 seconds: 193.36 ops/second
llite.lustre-ffff9d84fc2e5800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9d84fc2e5800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9d84fc2e5800.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:            1787870497.240202415 secs.nsecs
start_time:               1787870494.380332521 secs.nsecs
elapsed_time:             2.859869894 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   8   8
2:		         2   2  10
4:		         8   9  20
8:		         5   5  25
16:		         2   2  28
32:		        61  71 100
snapshot_time:            1787870497.240424037 secs.nsecs
start_time:               1787870494.380565876 secs.nsecs
elapsed_time:             2.859858161 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: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1787870527.700279499 secs.nsecs
start_time:               1787870494.380332521 secs.nsecs
elapsed_time:             33.319946978 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   9   9
2:		         2   2  11
4:		         8   9  20
8:		         5   5  26
16:		         2   2  29
32:		        61  70 100
snapshot_time:            1787870527.701575982 secs.nsecs
start_time:               1787870494.380565876 secs.nsecs
elapsed_time:             33.321010106 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 5.42 seconds: 184.60 ops/second
llite.lustre-ffff9d84fc2e5800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9d84fc2e5800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9d84fc2e5800.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:            1787870541.467645990 secs.nsecs
start_time:               1787870538.189485003 secs.nsecs
elapsed_time:             3.278160987 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         2   2   7
4:		         4   4  12
8:		         6   7  19
16:		         4   4  24
32:		        61  75 100
snapshot_time:            1787870541.468098845 secs.nsecs
start_time:               1787870538.189673621 secs.nsecs
elapsed_time:             3.278425224 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:            1787870572.453049498 secs.nsecs
start_time:               1787870538.189485003 secs.nsecs
elapsed_time:             34.263564495 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         2   2   8
4:		         4   4  13
8:		         6   7  20
16:		         4   4  25
32:		        61  74 100
snapshot_time:            1787870572.453105943 secs.nsecs
start_time:               1787870538.189673621 secs.nsecs
elapsed_time:             34.263432322 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787870579 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1787870588 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
llite.lustre-ffff9d84fc2e5800.enable_statahead_fname=1
llite.lustre-ffff9d84fc2e5800.statahead_min=8
llite.lustre-ffff9d84fc2e5800.statahead_batch_max=64
llite.lustre-ffff9d84fc2e5800.statahead_max=128