== sanity test 124b: lru resize (performance test) ================================================================================= 06:41:52 (1784284912)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3988 (time 1784284923.99 total 10.00 last 398.77)
 - open/close 7949 (time 1784284933.99 total 20.00 last 396.03)
total: 8000 open/close in 20.10 seconds: 397.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 400
 - unlinked 0 (time 1784285008 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 4254 (time 1784285032.63 total 10.00 last 425.39)
total: 8000 open/close in 18.44 seconds: 433.84 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 35% faster with lru resize enabled
 - unlinked 0 (time 1784285093 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second