== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 21:21:12 (1786756872)
llite.lustre-ffff8be2d8bb5800.statahead_max=1024
llite.lustre-ffff8be2d8bb5800.statahead_batch_max=32
llite.lustre-ffff8be2d8bb5800.statahead_min=64
llite.lustre-ffff8be2d8bb5800.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 6.41 seconds: 156.08 ops/second
llite.lustre-ffff8be2d8bb5800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8be2d8bb5800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8be2d8bb5800.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:            1786756887.998516390 secs.nsecs
start_time:               1786756883.963965919 secs.nsecs
elapsed_time:             4.034550471 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		        12  13  15
4:		         7   7  23
8:		         4   4  28
16:		         4   4  32
32:		        60  67 100
snapshot_time:            1786756887.998593170 secs.nsecs
start_time:               1786756883.964066627 secs.nsecs
elapsed_time:             4.034526543 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:            1786756918.994135344 secs.nsecs
start_time:               1786756883.963965919 secs.nsecs
elapsed_time:             35.030169425 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		        12  13  16
4:		         7   7  24
8:		         4   4  28
16:		         4   4  33
32:		        60  66 100
snapshot_time:            1786756918.994203947 secs.nsecs
start_time:               1786756883.964066627 secs.nsecs
elapsed_time:             35.030137320 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 5.93 seconds: 168.53 ops/second
llite.lustre-ffff8be2d8bb5800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8be2d8bb5800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8be2d8bb5800.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:            1786756935.165621522 secs.nsecs
start_time:               1786756931.384829940 secs.nsecs
elapsed_time:             3.780791582 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   8   8
2:		         1   1   9
4:		         6   6  16
8:		         7   8  24
16:		         6   6  31
32:		        59  68 100
snapshot_time:            1786756935.165665802 secs.nsecs
start_time:               1786756931.384910985 secs.nsecs
elapsed_time:             3.780754817 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:            1786756966.304160021 secs.nsecs
start_time:               1786756931.384829940 secs.nsecs
elapsed_time:             34.919330081 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   9   9
2:		         1   1  10
4:		         6   6  17
8:		         7   8  25
16:		         6   6  32
32:		        59  67 100
snapshot_time:            1786756966.304224463 secs.nsecs
start_time:               1786756931.384910985 secs.nsecs
elapsed_time:             34.919313478 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1786756974 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1786756982 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
llite.lustre-ffff8be2d8bb5800.enable_statahead_fname=1
llite.lustre-ffff8be2d8bb5800.statahead_min=8
llite.lustre-ffff8be2d8bb5800.statahead_batch_max=64
llite.lustre-ffff8be2d8bb5800.statahead_max=128