== sanity test 124b: lru resize (performance test) ================================================================================= 10:50:30 (1788879030)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4050 (time 1788879042.48 total 10.00 last 404.93)
 - open/close 7503 (time 1788879052.49 total 20.00 last 345.28)
total: 8000 open/close in 21.63 seconds: 369.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 400
 - unlinked 0 (time 1788879134 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 4228 (time 1788879159.01 total 10.00 last 422.72)
total: 8000 open/close in 19.02 seconds: 420.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 40 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1788879215 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second