== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 14:18:27 (1788200307)
llite.lustre-ffff89e668901000.statahead_max=1024
llite.lustre-ffff89e668901000.statahead_batch_max=32
llite.lustre-ffff89e668901000.statahead_min=64
llite.lustre-ffff89e668901000.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 5.21 seconds: 192.12 ops/second
llite.lustre-ffff89e668901000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff89e668901000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff89e668901000.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:            1788200321.597812402 secs.nsecs
start_time:               1788200318.168828992 secs.nsecs
elapsed_time:             3.428983410 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         5   5  10
4:		        13  15  25
8:		         2   2  28
16:		         1   1  29
32:		        60  70 100
snapshot_time:            1788200321.597887578 secs.nsecs
start_time:               1788200318.168919439 secs.nsecs
elapsed_time:             3.428968139 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:            1788200352.127734822 secs.nsecs
start_time:               1788200318.168828992 secs.nsecs
elapsed_time:             33.958905830 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         5   5  11
4:		        13  15  26
8:		         2   2  29
16:		         1   1  30
32:		        60  69 100
snapshot_time:            1788200352.127783810 secs.nsecs
start_time:               1788200318.168919439 secs.nsecs
elapsed_time:             33.958864371 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 5.72 seconds: 174.86 ops/second
llite.lustre-ffff89e668901000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff89e668901000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff89e668901000.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:            1788200367.223995984 secs.nsecs
start_time:               1788200363.031916104 secs.nsecs
elapsed_time:             4.192079880 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         0   0   3
4:		         6   7  11
8:		        12  15  26
16:		         0   0  26
32:		        59  73 100
snapshot_time:            1788200367.224611747 secs.nsecs
start_time:               1788200363.031999536 secs.nsecs
elapsed_time:             4.192612211 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:            1788200398.515444254 secs.nsecs
start_time:               1788200363.031916104 secs.nsecs
elapsed_time:             35.483528150 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         0   0   4
4:		         6   7  12
8:		        12  14  27
16:		         0   0  27
32:		        59  72 100
snapshot_time:            1788200398.515516427 secs.nsecs
start_time:               1788200363.031999536 secs.nsecs
elapsed_time:             35.483516891 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1788200405 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1788200414 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff89e668901000.enable_statahead_fname=1
llite.lustre-ffff89e668901000.statahead_min=8
llite.lustre-ffff89e668901000.statahead_batch_max=64
llite.lustre-ffff89e668901000.statahead_max=128