== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 20:01:21 (1787875281)
llite.lustre-ffff93b1515f7800.statahead_max=1024
llite.lustre-ffff93b1515f7800.statahead_batch_max=32
llite.lustre-ffff93b1515f7800.statahead_min=64
llite.lustre-ffff93b1515f7800.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 5.12 seconds: 195.13 ops/second
llite.lustre-ffff93b1515f7800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff93b1515f7800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff93b1515f7800.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:            1787875305.846398752 secs.nsecs
start_time:               1787875299.299466723 secs.nsecs
elapsed_time:             6.546932029 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   6   6
2:		         0   0   6
4:		         8  10  16
8:		         3   3  20
16:		         1   1  21
32:		        62  78 100
snapshot_time:            1787875305.846478128 secs.nsecs
start_time:               1787875299.299546260 secs.nsecs
elapsed_time:             6.546931868 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:            1787875336.627196502 secs.nsecs
start_time:               1787875299.299466723 secs.nsecs
elapsed_time:             37.327729779 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   7   7
2:		         0   0   7
4:		         8  10  17
8:		         3   3  21
16:		         1   1  22
32:		        62  77 100
snapshot_time:            1787875336.634651940 secs.nsecs
start_time:               1787875299.299546260 secs.nsecs
elapsed_time:             37.335105680 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 6.51 seconds: 153.60 ops/second
llite.lustre-ffff93b1515f7800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff93b1515f7800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff93b1515f7800.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:            1787875353.139840680 secs.nsecs
start_time:               1787875349.445836515 secs.nsecs
elapsed_time:             3.694004165 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   7   7
2:		         0   0   7
4:		         3   3  11
8:		         8  10  21
16:		         4   5  26
32:		        59  73 100
snapshot_time:            1787875353.139941899 secs.nsecs
start_time:               1787875349.445926878 secs.nsecs
elapsed_time:             3.694015021 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:            1787875384.317611315 secs.nsecs
start_time:               1787875349.445836515 secs.nsecs
elapsed_time:             34.871774800 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7   8   8
2:		         0   0   8
4:		         3   3  12
8:		         8   9  22
16:		         4   4  27
32:		        59  72 100
snapshot_time:            1787875384.317669124 secs.nsecs
start_time:               1787875349.445926878 secs.nsecs
elapsed_time:             34.871742246 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1787875392 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1787875401 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 unlinks/second
llite.lustre-ffff93b1515f7800.enable_statahead_fname=1
llite.lustre-ffff93b1515f7800.statahead_min=8
llite.lustre-ffff93b1515f7800.statahead_batch_max=64
llite.lustre-ffff93b1515f7800.statahead_max=128