== sanity test 124b: lru resize (performance test) ================================================================================= 00:46:38 (1790397998)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4402 (time 1790398011.21 total 10.00 last 440.18)
 - open/close 7235 (time 1790398021.21 total 20.00 last 283.19)
total: 8000 open/close in 22.10 seconds: 362.05 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 400
 - unlinked 0 (time 1790398113 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
 - open/close 4410 (time 1790398135.72 total 10.00 last 440.84)
total: 8000 open/close in 19.00 seconds: 421.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 8005
ls -la is 39% faster with lru resize enabled
 - unlinked 0 (time 1790398205 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second