== sanity test 124b: lru resize (performance test) ================================================================================= 00:14:26 (1775880866)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4091 (time 1775880877.35 total 10.00 last 409.05)
 - open/close 6944 (time 1775880887.35 total 20.00 last 285.28)
total: 8000 open/close in 22.13 seconds: 361.58 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 400
 - unlinked 0 (time 1775880967 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 4290 (time 1775880991.92 total 10.00 last 428.96)
total: 8000 open/close in 18.65 seconds: 428.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 8005
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1775881054 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second