== sanity test 124b: lru resize (performance test) ================================================================================= 04:08:51 (1769764131)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4313 (time 1769764142.65 total 10.01 last 430.94)
 - open/close 7842 (time 1769764152.65 total 20.01 last 352.87)
total: 8000 open/close in 20.35 seconds: 393.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 400
 - unlinked 0 (time 1769764230 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
 - open/close 3218 (time 1769764254.41 total 10.00 last 321.79)
total: 8000 open/close in 19.82 seconds: 403.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 60 seconds
lru_size = 8005
ls -la is 20% faster with lru resize enabled
 - unlinked 0 (time 1769764331 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second