== sanity test 124b: lru resize (performance test) ================================================================================= 00:26:06 (1784348766)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3151 (time 1784348778.26 total 10.00 last 315.08)
 - open/close 7174 (time 1784348788.26 total 20.00 last 402.26)
total: 8000 open/close in 21.95 seconds: 364.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 400
 - unlinked 0 (time 1784348866 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 4110 (time 1784348891.26 total 10.00 last 411.00)
total: 8000 open/close in 17.82 seconds: 449.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1784348948 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second