== sanity test 124b: lru resize (performance test) ================================================================================= 21:54:51 (1777427691)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3402 (time 1777427704.82 total 10.00 last 340.14)
 - open/close 7356 (time 1777427714.83 total 20.00 last 395.38)
total: 8000 open/close in 21.37 seconds: 374.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 400
 - unlinked 0 (time 1777427819 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 4716 (time 1777427842.52 total 10.00 last 471.58)
total: 8000 open/close in 16.63 seconds: 481.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 8005
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1777427920 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second