== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 17:35:35 (1789076135)
llite.lustre-ffff9f98fb752000.statahead_max=1024
llite.lustre-ffff9f98fb752000.statahead_batch_max=32
llite.lustre-ffff9f98fb752000.statahead_min=64
llite.lustre-ffff9f98fb752000.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
 - create 900 (time 1789076151.25 total 10.00 last 89.99)
total: 1000 create in 11.52 seconds: 86.82 ops/second
llite.lustre-ffff9f98fb752000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9f98fb752000.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:            1789076161.349554955 secs.nsecs
start_time:               1789076156.228802736 secs.nsecs
elapsed_time:             5.120752219 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         3   3  10
4:		         4   5  15
8:		         2   2  17
16:		         6   7  25
32:		        59  74 100
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s for ''
Waiting 25s 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:            1789076192.763472229 secs.nsecs
start_time:               1789076156.228802736 secs.nsecs
elapsed_time:             36.534669493 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   7   7
2:		         3   3  11
4:		         4   5  16
8:		         2   2  18
16:		         6   7  26
32:		        59  73 100
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 8.70 seconds: 114.94 ops/second
llite.lustre-ffff9f98fb752000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9f98fb752000.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:            1789076214.161959680 secs.nsecs
start_time:               1789076208.725177345 secs.nsecs
elapsed_time:             5.436782335 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         3   3   9
4:		         6   7  16
8:		         2   2  19
16:		         7   8  27
32:		        60  72 100
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: 1
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1789076245.570009696 secs.nsecs
start_time:               1789076208.725177345 secs.nsecs
elapsed_time:             36.844832351 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   7   7
2:		         3   3  10
4:		         6   7  17
8:		         2   2  20
16:		         7   8  28
32:		        60  71 100
 - unlinked 0 (time 1789076256 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
 - unlinked 0 (time 1789076269 ; total 0 ; last 0)
total: 1000 unlinks in 18 seconds: 55.555557 unlinks/second
llite.lustre-ffff9f98fb752000.enable_statahead_fname=1
llite.lustre-ffff9f98fb752000.statahead_min=8
llite.lustre-ffff9f98fb752000.statahead_batch_max=64
llite.lustre-ffff9f98fb752000.statahead_max=128