== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 05:44:37 (1787391877)
llite.lustre-ffff95d2113f9000.statahead_max=1024
llite.lustre-ffff95d2113f9000.statahead_batch_max=32
llite.lustre-ffff95d2113f9000.statahead_min=64
llite.lustre-ffff95d2113f9000.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 6.95 seconds: 143.95 ops/second
llite.lustre-ffff95d2113f9000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff95d2113f9000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff95d2113f9000.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:            1787391895.318122409 secs.nsecs
start_time:               1787391891.433853742 secs.nsecs
elapsed_time:             3.884268667 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4   4   4
2:		         4   4   9
4:		         8   9  19
8:		         7   8  27
16:		         0   0  27
32:		        61  72 100
snapshot_time:            1787391895.318188777 secs.nsecs
start_time:               1787391891.433982075 secs.nsecs
elapsed_time:             3.884206702 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:            1787391926.469535159 secs.nsecs
start_time:               1787391891.433853742 secs.nsecs
elapsed_time:             35.035681417 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         4   4  10
4:		         8   9  20
8:		         7   8  28
16:		         0   0  28
32:		        61  71 100
snapshot_time:            1787391926.469595889 secs.nsecs
start_time:               1787391891.433982075 secs.nsecs
elapsed_time:             35.035613814 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 7.01 seconds: 142.66 ops/second
llite.lustre-ffff95d2113f9000.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff95d2113f9000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff95d2113f9000.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:            1787391942.813180741 secs.nsecs
start_time:               1787391939.521313011 secs.nsecs
elapsed_time:             3.291867730 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        11  12  12
2:		         1   1  13
4:		         2   2  15
8:		         6   6  22
16:		         8   9  31
32:		        60  68 100
snapshot_time:            1787391942.813311058 secs.nsecs
start_time:               1787391939.521394737 secs.nsecs
elapsed_time:             3.291916321 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s 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:            1787391974.119921420 secs.nsecs
start_time:               1787391939.521313011 secs.nsecs
elapsed_time:             34.598608409 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        12  13  13
2:		         1   1  14
4:		         2   2  16
8:		         6   6  23
16:		         8   8  32
32:		        60  67 100
snapshot_time:            1787391974.119985262 secs.nsecs
start_time:               1787391939.521394737 secs.nsecs
elapsed_time:             34.598590525 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787391982 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
 - unlinked 0 (time 1787391992 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
llite.lustre-ffff95d2113f9000.enable_statahead_fname=1
llite.lustre-ffff95d2113f9000.statahead_min=8
llite.lustre-ffff95d2113f9000.statahead_batch_max=64
llite.lustre-ffff95d2113f9000.statahead_max=128