== sanity test 124b: lru resize (performance test) ================================================================================= 08:58:42 (1782737922)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2712 (time 1782737934.17 total 10.00 last 271.09)
 - open/close 5387 (time 1782737944.17 total 20.00 last 267.48)
total: 8000 open/close in 28.48 seconds: 280.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 122 seconds
lru_size = 400
 - unlinked 0 (time 1782738082 ; total 0 ; last 0)
total: 8000 unlinks in 88 seconds: 90.909088 unlinks/second
 - open/close 939 (time 1782738184.36 total 10.04 last 93.55)
 - open/close 1842 (time 1782738194.37 total 20.05 last 90.21)
 - open/close 2767 (time 1782738204.38 total 30.05 last 92.47)
 - open/close 3734 (time 1782738214.38 total 40.06 last 96.64)
 - open/close 4637 (time 1782738224.40 total 50.07 last 90.19)
 - open/close 5567 (time 1782738234.40 total 60.07 last 92.96)
 - open/close 6427 (time 1782738244.41 total 70.08 last 85.95)
 - open/close 7330 (time 1782738254.41 total 80.09 last 90.24)
total: 8000 open/close in 87.87 seconds: 91.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1782738351 ; total 0 ; last 0)
total: 8000 unlinks in 57 seconds: 140.350876 unlinks/second