== sanity test 124b: lru resize (performance test) ================================================================================= 02:28:49 (1780813729)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2243 (time 1780813741.17 total 10.00 last 224.22)
 - open/close 4322 (time 1780813751.17 total 20.00 last 207.89)
 - open/close 5604 (time 1780813761.19 total 30.02 last 127.98)
 - open/close 7646 (time 1780813771.19 total 40.02 last 204.17)
total: 8000 open/close in 41.75 seconds: 191.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 111 seconds
lru_size = 400
 - unlinked 0 (time 1780813887 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second
 - open/close 2329 (time 1780813924.39 total 10.00 last 232.87)
 - open/close 4670 (time 1780813934.39 total 20.01 last 234.01)
 - open/close 6821 (time 1780813944.39 total 30.01 last 215.07)
total: 8000 open/close in 35.49 seconds: 225.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 61 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1780814020 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second