== sanity test 124b: lru resize (performance test) ================================================================================= 13:43:11 (1787593391)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 735 (time 1787593405.72 total 10.01 last 73.42)
 - open/close 1327 (time 1787593415.74 total 20.03 last 59.07)
 - open/close 2008 (time 1787593425.75 total 30.04 last 68.06)
 - open/close 2746 (time 1787593435.75 total 40.04 last 73.80)
 - open/close 3474 (time 1787593445.75 total 50.04 last 72.78)
 - open/close 4196 (time 1787593455.76 total 60.05 last 72.15)
 - open/close 4963 (time 1787593465.76 total 70.05 last 76.68)
 - open/close 5627 (time 1787593475.76 total 80.06 last 66.36)
 - open/close 6336 (time 1787593485.77 total 90.06 last 70.86)
 - open/close 7074 (time 1787593495.78 total 100.07 last 73.76)
 - open/close 7767 (time 1787593505.78 total 110.08 last 69.25)
total: 8000 open/close in 112.99 seconds: 70.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 150 seconds
lru_size = 400
 - unlinked 0 (time 1787593668 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
 - open/close 792 (time 1787593784.20 total 10.00 last 79.20)
 - open/close 1532 (time 1787593794.20 total 20.00 last 73.99)
 - open/close 2278 (time 1787593804.21 total 30.01 last 74.53)
 - open/close 3037 (time 1787593814.21 total 40.02 last 75.86)
 - open/close 3855 (time 1787593824.22 total 50.03 last 81.73)
 - open/close 4669 (time 1787593834.23 total 60.03 last 81.35)
 - open/close 5508 (time 1787593844.23 total 70.04 last 83.87)
 - open/close 6297 (time 1787593854.23 total 80.04 last 78.89)
 - open/close 7093 (time 1787593864.25 total 90.05 last 79.52)
 - open/close 7956 (time 1787593874.27 total 100.07 last 86.10)
total: 8000 open/close in 100.54 seconds: 79.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1787593971 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second