== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 07:43:35 (1788695015)
llite.lustre-ffffa07083259800.statahead_max=1024
llite.lustre-ffffa07083259800.statahead_batch_max=32
llite.lustre-ffffa07083259800.statahead_min=64
llite.lustre-ffffa07083259800.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 3.91 seconds: 255.64 ops/second
llite.lustre-ffffa07083259800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffffa07083259800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa07083259800.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:            1788695026.346997970 secs.nsecs
start_time:               1788695023.226388511 secs.nsecs
elapsed_time:             3.120609459 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         7   7  13
4:		         9  10  23
8:		         8   8  32
16:		         1   1  33
32:		        59  66 100
snapshot_time:            1788695026.347083813 secs.nsecs
start_time:               1788695023.226470001 secs.nsecs
elapsed_time:             3.120613812 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: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1788695057.286332157 secs.nsecs
start_time:               1788695023.226388511 secs.nsecs
elapsed_time:             34.059943646 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         7   7  14
4:		         9  10  24
8:		         8   8  33
16:		         1   1  34
32:		        59  65 100
snapshot_time:            1788695057.286415520 secs.nsecs
start_time:               1788695023.226470001 secs.nsecs
elapsed_time:             34.059945519 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 3.95 seconds: 253.31 ops/second
llite.lustre-ffffa07083259800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffffa07083259800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa07083259800.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:            1788695067.582666679 secs.nsecs
start_time:               1788695064.734349043 secs.nsecs
elapsed_time:             2.848317636 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         2   2   6
4:		         9  10  17
8:		         4   4  21
16:		        12  13  35
32:		        56  64 100
snapshot_time:            1788695067.582729329 secs.nsecs
start_time:               1788695064.734413239 secs.nsecs
elapsed_time:             2.848316090 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: 994
miss_total: 1
snapshot_time:            1788695098.664421155 secs.nsecs
start_time:               1788695064.734349043 secs.nsecs
elapsed_time:             33.930072112 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         2   2   7
4:		         9  10  18
8:		         4   4  22
16:		        12  13  36
32:		        56  63 100
snapshot_time:            1788695098.664477320 secs.nsecs
start_time:               1788695064.734413239 secs.nsecs
elapsed_time:             33.930064081 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1788695104 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 unlinks/second
 - unlinked 0 (time 1788695110 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 unlinks/second
llite.lustre-ffffa07083259800.enable_statahead_fname=1
llite.lustre-ffffa07083259800.statahead_min=8
llite.lustre-ffffa07083259800.statahead_batch_max=64
llite.lustre-ffffa07083259800.statahead_max=128