== sanity test 124b: lru resize (performance test) ================================================================================= 00:51:59 (1789188719)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4490 (time 1789188732.23 total 10.00 last 448.91)
total: 8000 open/close in 18.28 seconds: 437.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 400
 - unlinked 0 (time 1789188808 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 4365 (time 1789188832.16 total 10.00 last 436.42)
total: 8000 open/close in 18.30 seconds: 437.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 46 seconds
lru_size = 8005
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1789188892 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second