== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 21:19:50 (1788571190)
llite.lustre-ffff953031df5800.statahead_max=1024
llite.lustre-ffff953031df5800.statahead_batch_max=32
llite.lustre-ffff953031df5800.statahead_min=64
llite.lustre-ffff953031df5800.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 5.76 seconds: 173.66 ops/second
llite.lustre-ffff953031df5800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff953031df5800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff953031df5800.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:            1788571206.434273479 secs.nsecs
start_time:               1788571202.197021067 secs.nsecs
elapsed_time:             4.237252412 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   9   9
2:		         7   7  17
4:		         9  10  27
8:		         1   1  28
16:		         3   3  31
32:		        60  68 100
snapshot_time:            1788571206.434329286 secs.nsecs
start_time:               1788571202.197228689 secs.nsecs
elapsed_time:             4.237100597 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:            1788571237.314257376 secs.nsecs
start_time:               1788571202.197021067 secs.nsecs
elapsed_time:             35.117236309 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         9  10  10
2:		         7   7  17
4:		         9  10  28
8:		         1   1  29
16:		         3   3  32
32:		        60  67 100
snapshot_time:            1788571237.314339890 secs.nsecs
start_time:               1788571202.197228689 secs.nsecs
elapsed_time:             35.117111201 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 5.39 seconds: 185.69 ops/second
llite.lustre-ffff953031df5800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff953031df5800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff953031df5800.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:            1788571251.695392088 secs.nsecs
start_time:               1788571247.951012803 secs.nsecs
elapsed_time:             3.744379285 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         6   6  10
4:		         7   8  18
8:		         7   8  26
16:		         4   4  31
32:		        60  68 100
snapshot_time:            1788571251.695458657 secs.nsecs
start_time:               1788571247.951109357 secs.nsecs
elapsed_time:             3.744349300 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:            1788571282.709869379 secs.nsecs
start_time:               1788571247.951012803 secs.nsecs
elapsed_time:             34.758856576 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         6   6  11
4:		         7   7  19
8:		         7   7  27
16:		         4   4  31
32:		        60  68 100
snapshot_time:            1788571282.709955449 secs.nsecs
start_time:               1788571247.951109357 secs.nsecs
elapsed_time:             34.758846092 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1788571296 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1788571305 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffff953031df5800.enable_statahead_fname=1
llite.lustre-ffff953031df5800.statahead_min=8
llite.lustre-ffff953031df5800.statahead_batch_max=64
llite.lustre-ffff953031df5800.statahead_max=128