== sanity test 124b: lru resize (performance test) ================================================================================= 14:37:08 (1772480228)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2824 (time 1772480240.02 total 10.00 last 282.34)
 - open/close 5224 (time 1772480250.02 total 20.00 last 239.96)
 - open/close 6718 (time 1772480260.03 total 30.01 last 149.32)
total: 8000 open/close in 34.81 seconds: 229.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 400
 - unlinked 0 (time 1772480336 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 3722 (time 1772480361.31 total 10.00 last 372.18)
total: 8000 open/close in 19.79 seconds: 404.34 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 32% faster with lru resize enabled
 - unlinked 0 (time 1772480424 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second