== sanity test 124b: lru resize (performance test) ================================================================================= 21:32:25 (1788917545)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3332 (time 1788917558.41 total 10.00 last 333.16)
 - open/close 6770 (time 1788917568.42 total 20.01 last 343.53)
total: 8000 open/close in 22.90 seconds: 349.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 62 seconds
lru_size = 400
 - unlinked 0 (time 1788917636 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
 - open/close 3516 (time 1788917663.82 total 10.00 last 351.56)
 - open/close 7454 (time 1788917673.83 total 20.00 last 393.73)
total: 8000 open/close in 21.33 seconds: 375.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 42 seconds
lru_size = 8005
ls -la is 32% faster with lru resize enabled
 - unlinked 0 (time 1788917723 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second