== sanity test 124b: lru resize (performance test) ================================================================================= 00:07:56 (1784088476)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3841 (time 1784088490.13 total 10.01 last 383.75)
 - open/close 7072 (time 1784088500.13 total 20.01 last 323.07)
total: 8000 open/close in 21.90 seconds: 365.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 400
 - unlinked 0 (time 1784088571 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 4307 (time 1784088596.13 total 10.00 last 430.64)
total: 8000 open/close in 17.28 seconds: 462.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 40 seconds
lru_size = 8005
ls -la is 39% faster with lru resize enabled
 - unlinked 0 (time 1784088650 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second