== sanity test 124b: lru resize (performance test) ================================================================================= 18:07:27 (1760134047)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3853 (time 1760134061.29 total 10.00 last 385.21)
total: 8000 open/close in 19.57 seconds: 408.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 67 seconds
lru_size = 400
400
 - unlinked 0 (time 1760134141 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3956 (time 1760134163.62 total 10.00 last 395.54)
total: 8000 open/close in 19.34 seconds: 413.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 4052
3955
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1760134226 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second