== sanity test 124b: lru resize (performance test) ================================================================================= 13:44:07 (1777571047)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4467 (time 1777571061.14 total 10.00 last 446.68)
 - open/close 7354 (time 1777571071.14 total 20.00 last 288.63)
total: 8000 open/close in 21.52 seconds: 371.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 400
 - unlinked 0 (time 1777571146 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
 - open/close 4509 (time 1777571169.08 total 10.00 last 450.87)
total: 8000 open/close in 17.06 seconds: 469.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 57 seconds
lru_size = 8005
ls -la is 19% faster with lru resize enabled
 - unlinked 0 (time 1777571239 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second