== sanity test 124b: lru resize (performance test) ================================================================================= 22:43:23 (1773110603)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4284 (time 1773110615.46 total 10.00 last 428.39)
 - open/close 6524 (time 1773110625.46 total 20.00 last 223.98)
total: 8000 open/close in 23.48 seconds: 340.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 400
 - unlinked 0 (time 1773110717 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 3861 (time 1773110742.36 total 10.00 last 386.04)
total: 8000 open/close in 19.65 seconds: 407.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1773110809 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second