== sanity test 124b: lru resize (performance test) ================================================================================= 11:59:41 (1784131181)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4416 (time 1784131192.78 total 10.00 last 441.55)
 - open/close 7015 (time 1784131202.78 total 20.00 last 259.85)
total: 8000 open/close in 22.00 seconds: 363.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 400
 - unlinked 0 (time 1784131282 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second
 - open/close 4510 (time 1784131307.54 total 10.02 last 450.18)
total: 8000 open/close in 16.89 seconds: 473.64 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 18% faster with lru resize enabled
 - unlinked 0 (time 1784131381 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second