== sanity test 124b: lru resize (performance test) ================================================================================= 16:15:01 (1780344901)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2099 (time 1780344912.89 total 10.00 last 209.87)
 - open/close 3822 (time 1780344922.89 total 20.01 last 172.22)
 - open/close 5758 (time 1780344932.90 total 30.01 last 193.49)
 - open/close 7845 (time 1780344942.90 total 40.01 last 208.69)
total: 8000 open/close in 40.61 seconds: 196.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 400
 - unlinked 0 (time 1780345024 ; total 0 ; last 0)
total: 8000 unlinks in 24 seconds: 333.333344 unlinks/second
 - open/close 2690 (time 1780345059.59 total 10.01 last 268.85)
 - open/close 4492 (time 1780345069.60 total 20.01 last 180.17)
 - open/close 7635 (time 1780345079.60 total 30.01 last 314.27)
total: 8000 open/close in 31.76 seconds: 251.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 41 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1780345131 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second