== sanity test 124b: lru resize (performance test) ================================================================================= 15:28:02 (1771446482)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4195 (time 1771446494.53 total 10.00 last 419.42)
 - open/close 7400 (time 1771446504.53 total 20.00 last 320.50)
total: 8000 open/close in 21.27 seconds: 376.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 67 seconds
lru_size = 400
 - unlinked 0 (time 1771446575 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 4411 (time 1771446599.97 total 10.00 last 441.10)
total: 8000 open/close in 17.67 seconds: 452.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 46 seconds
lru_size = 8005
ls -la is 31% faster with lru resize enabled
 - unlinked 0 (time 1771446660 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second