== sanity test 124b: lru resize (performance test) ================================================================================= 18:33:32 (1786487612)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4429 (time 1786487624.40 total 10.00 last 442.81)
 - open/close 7631 (time 1786487634.40 total 20.00 last 320.19)
total: 8000 open/close in 20.98 seconds: 381.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 400
 - unlinked 0 (time 1786487710 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 4136 (time 1786487735.26 total 10.00 last 413.50)
total: 8000 open/close in 18.84 seconds: 424.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 41 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1786487792 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second