== sanity test 124b: lru resize (performance test) ================================================================================= 02:56:29 (1738482989)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2470 (time 1738483001.48 total 10.00 last 246.91)
 - open/close 4835 (time 1738483011.48 total 20.01 last 236.40)
 - open/close 7181 (time 1738483021.49 total 30.01 last 234.52)
total: 8000 open/close in 33.48 seconds: 238.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 400
 - unlinked 0 (time 1738483128 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
 - open/close 3747 (time 1738483155.88 total 10.00 last 374.66)
total: 8000 open/close in 18.33 seconds: 436.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 12 seconds
lru_size = 8005
ls -la is 88% faster with lru resize enabled
 - unlinked 0 (time 1738483182 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second