== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 05:20:28 (1787476828)
llite.lustre-ffff9b5e07ebd800.statahead_max=1024
llite.lustre-ffff9b5e07ebd800.statahead_batch_max=32
llite.lustre-ffff9b5e07ebd800.statahead_min=64
llite.lustre-ffff9b5e07ebd800.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 6.05 seconds: 165.27 ops/second
llite.lustre-ffff9b5e07ebd800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9b5e07ebd800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9b5e07ebd800.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:            1787476844.592495644 secs.nsecs
start_time:               1787476840.536493352 secs.nsecs
elapsed_time:             4.056002292 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   7   7
2:		         4   4  12
4:		        12  13  25
8:		         4   4  30
16:		         3   3  33
32:		        59  66 100
snapshot_time:            1787476844.592566377 secs.nsecs
start_time:               1787476840.536725965 secs.nsecs
elapsed_time:             4.055840412 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s 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:            1787476875.208248292 secs.nsecs
start_time:               1787476840.536493352 secs.nsecs
elapsed_time:             34.671754940 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8   8   8
2:		         4   4  13
4:		        12  13  26
8:		         4   4  31
16:		         3   3  34
32:		        59  65 100
snapshot_time:            1787476875.208347645 secs.nsecs
start_time:               1787476840.536725965 secs.nsecs
elapsed_time:             34.671621680 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 5.98 seconds: 167.17 ops/second
llite.lustre-ffff9b5e07ebd800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff9b5e07ebd800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9b5e07ebd800.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:            1787476890.611082930 secs.nsecs
start_time:               1787476886.920338811 secs.nsecs
elapsed_time:             3.690744119 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        10  11  11
2:		         2   2  13
4:		         5   5  19
8:		         3   3  22
16:		         7   8  31
32:		        60  68 100
snapshot_time:            1787476890.611156023 secs.nsecs
start_time:               1787476886.920478514 secs.nsecs
elapsed_time:             3.690677509 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s 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:            1787476922.235963958 secs.nsecs
start_time:               1787476886.920338811 secs.nsecs
elapsed_time:             35.315625147 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        11  12  12
2:		         2   2  14
4:		         5   5  20
8:		         3   3  23
16:		         7   7  31
32:		        60  68 100
snapshot_time:            1787476922.236034027 secs.nsecs
start_time:               1787476886.920478514 secs.nsecs
elapsed_time:             35.315555513 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787476931 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1787476941 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff9b5e07ebd800.enable_statahead_fname=1
llite.lustre-ffff9b5e07ebd800.statahead_min=8
llite.lustre-ffff9b5e07ebd800.statahead_batch_max=64
llite.lustre-ffff9b5e07ebd800.statahead_max=128