== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 08:01:49 (1787572909)
llite.lustre-ffff8eaf582a4800.statahead_max=1024
llite.lustre-ffff8eaf582a4800.statahead_batch_max=32
llite.lustre-ffff8eaf582a4800.statahead_min=64
llite.lustre-ffff8eaf582a4800.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 5.62 seconds: 177.78 ops/second
llite.lustre-ffff8eaf582a4800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8eaf582a4800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8eaf582a4800.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:            1787572924.341172809 secs.nsecs
start_time:               1787572920.978498876 secs.nsecs
elapsed_time:             3.362673933 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         1   1   6
4:		         9  10  17
8:		         4   4  21
16:		         4   4  26
32:		        60  73 100
snapshot_time:            1787572924.341235839 secs.nsecs
start_time:               1787572920.978648571 secs.nsecs
elapsed_time:             3.362587268 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:            1787572955.798300787 secs.nsecs
start_time:               1787572920.978498876 secs.nsecs
elapsed_time:             34.819801911 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         1   1   7
4:		         9  10  18
8:		         4   4  22
16:		         4   4  27
32:		        60  72 100
snapshot_time:            1787572955.798391910 secs.nsecs
start_time:               1787572920.978648571 secs.nsecs
elapsed_time:             34.819743339 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 5.63 seconds: 177.57 ops/second
llite.lustre-ffff8eaf582a4800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8eaf582a4800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8eaf582a4800.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:            1787572970.283562531 secs.nsecs
start_time:               1787572966.293136066 secs.nsecs
elapsed_time:             3.990426465 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         2   2   4
4:		         7   8  12
8:		        12  13  26
16:		         5   5  32
32:		        58  67 100
snapshot_time:            1787572970.284753868 secs.nsecs
start_time:               1787572966.293219349 secs.nsecs
elapsed_time:             3.991534519 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: 1
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1787573000.912345452 secs.nsecs
start_time:               1787572966.293136066 secs.nsecs
elapsed_time:             34.619209386 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         2   2   5
4:		         7   8  13
8:		        12  13  27
16:		         5   5  33
32:		        58  66 100
snapshot_time:            1787573000.912414825 secs.nsecs
start_time:               1787572966.293219349 secs.nsecs
elapsed_time:             34.619195476 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787573008 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1787573017 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff8eaf582a4800.enable_statahead_fname=1
llite.lustre-ffff8eaf582a4800.statahead_min=8
llite.lustre-ffff8eaf582a4800.statahead_batch_max=64
llite.lustre-ffff8eaf582a4800.statahead_max=128