== sanity test 124b: lru resize (performance test) ================================================================================= 00:04:34 (1775880274)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4558 (time 1775880285.67 total 10.00 last 455.74)
 - open/close 7598 (time 1775880295.68 total 20.00 last 303.93)
total: 8000 open/close in 20.89 seconds: 382.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 61 seconds
lru_size = 400
 - unlinked 0 (time 1775880360 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 4588 (time 1775880384.49 total 10.00 last 458.78)
total: 8000 open/close in 17.56 seconds: 455.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 38 seconds
lru_size = 8005
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1775880436 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second