== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 19:24:11 (1786836251)
llite.lustre-ffff96df0b75e800.statahead_max=1024
llite.lustre-ffff96df0b75e800.statahead_batch_max=32
llite.lustre-ffff96df0b75e800.statahead_min=64
llite.lustre-ffff96df0b75e800.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 2.73 seconds: 366.86 ops/second
llite.lustre-ffff96df0b75e800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff96df0b75e800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff96df0b75e800.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:            1786836259.027980383 secs.nsecs
start_time:               1786836256.527764044 secs.nsecs
elapsed_time:             2.500216339 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         2   2   8
4:		         6   7  15
8:		         9  10  25
16:		         3   3  29
32:		        60  70 100
snapshot_time:            1786836259.028077396 secs.nsecs
start_time:               1786836256.527890335 secs.nsecs
elapsed_time:             2.500187061 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 ''
statahead total: 1
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1786836289.562996907 secs.nsecs
start_time:               1786836256.527764044 secs.nsecs
elapsed_time:             33.035232863 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   6   6
2:		         2   2   9
4:		         6   6  16
8:		         9  10  26
16:		         3   3  30
32:		        60  69 100
snapshot_time:            1786836289.563084964 secs.nsecs
start_time:               1786836256.527890335 secs.nsecs
elapsed_time:             33.035194629 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 2.63 seconds: 380.42 ops/second
llite.lustre-ffff96df0b75e800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff96df0b75e800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff96df0b75e800.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:            1786836296.474500004 secs.nsecs
start_time:               1786836294.386640931 secs.nsecs
elapsed_time:             2.087859073 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        16  16  16
2:		         3   3  19
4:		         2   2  21
8:		         8   8  30
16:		         9   9  39
32:		        58  60 100
snapshot_time:            1786836296.474573479 secs.nsecs
start_time:               1786836294.386777338 secs.nsecs
elapsed_time:             2.087796141 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: 995
miss_total: 0
snapshot_time:            1786836327.146223605 secs.nsecs
start_time:               1786836294.386640931 secs.nsecs
elapsed_time:             32.759582674 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        17  17  17
2:		         3   3  20
4:		         2   2  22
8:		         8   8  30
16:		         9   9  40
32:		        58  59 100
snapshot_time:            1786836327.146284830 secs.nsecs
start_time:               1786836294.386777338 secs.nsecs
elapsed_time:             32.759507492 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1786836330 ; total 0 ; last 0)
total: 1000 unlinks in 3 seconds: 333.333344 unlinks/second
 - unlinked 0 (time 1786836334 ; total 0 ; last 0)
total: 1000 unlinks in 4 seconds: 250.000000 unlinks/second
llite.lustre-ffff96df0b75e800.enable_statahead_fname=1
llite.lustre-ffff96df0b75e800.statahead_min=8
llite.lustre-ffff96df0b75e800.statahead_batch_max=64
llite.lustre-ffff96df0b75e800.statahead_max=128