== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 09:42:11 (1787406131)
llite.lustre-ffff9f12f4e53800.statahead_max=1024
llite.lustre-ffff9f12f4e53800.statahead_batch_max=32
llite.lustre-ffff9f12f4e53800.statahead_min=64
llite.lustre-ffff9f12f4e53800.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 998 (time 1787406145.57 total 10.00 last 99.79)
total: 1000 create in 10.03 seconds: 99.72 ops/second
llite.lustre-ffff9f12f4e53800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9f12f4e53800.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:            1787406151.906873933 secs.nsecs
start_time:               1787406148.068863754 secs.nsecs
elapsed_time:             3.838010179 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         2   2   4
4:		        11  13  18
8:		         4   4  23
16:		         4   4  28
32:		        59  71 100
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s 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:            1787406183.160132317 secs.nsecs
start_time:               1787406148.068863754 secs.nsecs
elapsed_time:             35.091268563 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         2   2   6
4:		        11  13  19
8:		         4   4  24
16:		         4   4  28
32:		        59  71 100
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 8.53 seconds: 117.18 ops/second
llite.lustre-ffff9f12f4e53800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9f12f4e53800.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:            1787406200.713318377 secs.nsecs
start_time:               1787406197.156046827 secs.nsecs
elapsed_time:             3.557271550 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        11  11  11
2:		         4   4  16
4:		         4   4  20
8:		         6   6  26
16:		         9   9  36
32:		        59  63 100
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:            1787406232.175537307 secs.nsecs
start_time:               1787406197.156046827 secs.nsecs
elapsed_time:             35.019490480 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        12  12  12
2:		         4   4  17
4:		         4   4  21
8:		         6   6  27
16:		         9   9  37
32:		        59  62 100
 - unlinked 0 (time 1787406240 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
 - unlinked 0 (time 1787406252 ; total 0 ; last 0)
total: 1000 unlinks in 14 seconds: 71.428574 unlinks/second
llite.lustre-ffff9f12f4e53800.enable_statahead_fname=1
llite.lustre-ffff9f12f4e53800.statahead_min=8
llite.lustre-ffff9f12f4e53800.statahead_batch_max=64
llite.lustre-ffff9f12f4e53800.statahead_max=128