== sanity test 124b: lru resize (performance test) ================================================================================= 05:38:19 (1781689099)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3540 (time 1781689110.97 total 10.00 last 354.00)
 - open/close 7866 (time 1781689120.97 total 20.00 last 432.57)
total: 8000 open/close in 20.31 seconds: 393.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
 - unlinked 0 (time 1781689206 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 3982 (time 1781689230.91 total 10.00 last 398.14)
total: 8000 open/close in 18.74 seconds: 426.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 48 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1781689294 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second