== sanity test 124b: lru resize (performance test) ================================================================================= 01:43:01 (1780983781)
ldlm.namespaces.lustre-MDT0000-mdc-ffff916c502a0800.lru_size=400
 - open/close 512 (time 1780983797.20 total 10.01 last 51.17)
 - open/close 1081 (time 1780983807.20 total 20.01 last 56.90)
 - open/close 1810 (time 1780983817.20 total 30.01 last 72.87)
 - open/close 2461 (time 1780983827.21 total 40.02 last 65.07)
 - open/close 3251 (time 1780983837.22 total 50.02 last 78.94)
 - open/close 4095 (time 1780983847.22 total 60.03 last 84.36)
 - open/close 4844 (time 1780983857.22 total 70.03 last 74.88)
 - open/close 5599 (time 1780983867.24 total 80.05 last 75.38)
 - open/close 6344 (time 1780983877.25 total 90.06 last 74.43)
 - open/close 7112 (time 1780983887.26 total 100.06 last 76.75)
 - open/close 7793 (time 1780983897.27 total 110.08 last 68.00)
total: 8000 open/close in 113.16 seconds: 70.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 400
 - unlinked 0 (time 1780983999 ; total 0 ; last 0)
total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff916c502a0800.lru_size=0
 - open/close 711 (time 1780984118.75 total 10.00 last 71.08)
 - open/close 1619 (time 1780984128.76 total 20.01 last 90.70)
 - open/close 2485 (time 1780984138.77 total 30.02 last 86.51)
 - open/close 3409 (time 1780984148.78 total 40.03 last 92.32)
 - open/close 4143 (time 1780984158.78 total 50.04 last 73.34)
 - open/close 4869 (time 1780984168.79 total 60.05 last 72.56)
 - open/close 5736 (time 1780984178.80 total 70.06 last 86.58)
 - open/close 6529 (time 1780984188.81 total 80.07 last 79.22)
 - open/close 7331 (time 1780984198.82 total 90.07 last 80.18)
 - open/close 7990 (time 1780984208.84 total 100.09 last 65.77)
total: 8000 open/close in 100.33 seconds: 79.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 8005
ls -la is 25% faster with lru resize enabled
 - unlinked 0 (time 1780984287 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second