== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 22:47:36 (1783651656)
llite.lustre-ffff8e9e83e8b000.statahead_max=1024
llite.lustre-ffff8e9e83e8b000.statahead_batch_max=32
llite.lustre-ffff8e9e83e8b000.statahead_min=64
llite.lustre-ffff8e9e83e8b000.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 2.08 seconds: 481.00 ops/second
llite.lustre-ffff8e9e83e8b000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8e9e83e8b000.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:            1783651663.085794192 secs.nsecs
start_time:               1783651660.657283867 secs.nsecs
elapsed_time:             2.428510325 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         1   1   3
4:		        20  23  27
8:		         2   2  29
16:		         0   0  29
32:		        60  70 100
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: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1783651694.480734744 secs.nsecs
start_time:               1783651660.657283867 secs.nsecs
elapsed_time:             33.823450877 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         1   1   4
4:		        20  23  27
8:		         2   2  30
16:		         0   0  30
32:		        60  69 100
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 2.39 seconds: 418.85 ops/second
llite.lustre-ffff8e9e83e8b000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8e9e83e8b000.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:            1783651701.311005788 secs.nsecs
start_time:               1783651698.897254618 secs.nsecs
elapsed_time:             2.413751170 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        22  20  20
2:		         3   2  23
4:		         9   8  31
8:		        12  11  42
16:		         4   3  46
32:		        57  53 100
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:            1783651732.711959913 secs.nsecs
start_time:               1783651698.897254618 secs.nsecs
elapsed_time:             33.814705295 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        23  21  21
2:		         3   2  24
4:		         9   8  32
8:		        12  11  43
16:		         4   3  47
32:		        57  52 100
 - unlinked 0 (time 1783651735 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
 - unlinked 0 (time 1783651738 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 unlinks/second
llite.lustre-ffff8e9e83e8b000.enable_statahead_fname=1
llite.lustre-ffff8e9e83e8b000.statahead_min=8
llite.lustre-ffff8e9e83e8b000.statahead_batch_max=64
llite.lustre-ffff8e9e83e8b000.statahead_max=128