== sanity test 124b: lru resize (performance test) ================================================================================= 21:39:31 (1787708371)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 687 (time 1787708385.99 total 10.01 last 68.61)
 - open/close 1215 (time 1787708395.99 total 20.02 last 52.78)
 - open/close 1915 (time 1787708405.99 total 30.02 last 69.99)
 - open/close 2711 (time 1787708416.00 total 40.02 last 79.56)
 - open/close 3265 (time 1787708426.01 total 50.03 last 55.34)
 - open/close 3902 (time 1787708436.01 total 60.04 last 63.67)
 - open/close 4525 (time 1787708446.01 total 70.04 last 62.30)
 - open/close 5272 (time 1787708456.01 total 80.04 last 74.69)
 - open/close 5973 (time 1787708466.03 total 90.05 last 70.00)
 - open/close 6688 (time 1787708476.03 total 100.06 last 71.46)
 - open/close 7355 (time 1787708486.04 total 110.06 last 66.69)
 - open/close 7991 (time 1787708496.04 total 120.07 last 63.57)
total: 8000 open/close in 120.14 seconds: 66.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 168 seconds
lru_size = 400
 - unlinked 0 (time 1787708674 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 690 (time 1787708802.72 total 10.01 last 68.96)
 - open/close 1336 (time 1787708812.72 total 20.01 last 64.59)
 - open/close 1993 (time 1787708822.72 total 30.01 last 65.67)
 - open/close 2821 (time 1787708832.72 total 40.01 last 82.79)
 - open/close 3523 (time 1787708842.76 total 50.05 last 69.97)
 - open/close 4198 (time 1787708852.76 total 60.05 last 67.47)
 - open/close 4935 (time 1787708862.77 total 70.06 last 73.64)
 - open/close 5626 (time 1787708872.77 total 80.06 last 69.08)
 - open/close 6479 (time 1787708882.78 total 90.06 last 85.27)
 - open/close 7490 (time 1787708892.78 total 100.07 last 101.02)
total: 8000 open/close in 105.31 seconds: 75.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1787709016 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second