== sanity test 124b: lru resize (performance test) ================================================================================= 11:05:28 (1787324728)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 674 (time 1787324744.36 total 10.01 last 67.34)
 - open/close 1350 (time 1787324754.37 total 20.02 last 67.55)
 - open/close 2057 (time 1787324764.37 total 30.02 last 70.69)
 - open/close 2738 (time 1787324774.38 total 40.02 last 68.08)
 - open/close 3452 (time 1787324784.38 total 50.02 last 71.39)
 - open/close 4115 (time 1787324794.38 total 60.03 last 66.26)
 - open/close 4780 (time 1787324804.39 total 70.04 last 66.45)
 - open/close 5503 (time 1787324814.40 total 80.04 last 72.26)
 - open/close 6186 (time 1787324824.40 total 90.04 last 68.29)
 - open/close 6895 (time 1787324834.42 total 100.06 last 70.77)
 - open/close 7577 (time 1787324844.43 total 110.07 last 68.13)
total: 8000 open/close in 116.26 seconds: 68.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1787325043 ; total 0 ; last 0)
total: 8000 unlinks in 127 seconds: 62.992126 unlinks/second
 - open/close 613 (time 1787325187.49 total 10.01 last 61.24)
 - open/close 1219 (time 1787325197.50 total 20.02 last 60.53)
 - open/close 1915 (time 1787325207.52 total 30.04 last 69.48)
 - open/close 2575 (time 1787325217.53 total 40.05 last 65.90)
 - open/close 3297 (time 1787325227.53 total 50.06 last 72.19)
 - open/close 4024 (time 1787325237.55 total 60.07 last 72.62)
 - open/close 4801 (time 1787325247.56 total 70.08 last 77.59)
 - open/close 5577 (time 1787325257.57 total 80.09 last 77.52)
 - open/close 6342 (time 1787325267.58 total 90.10 last 76.43)
 - open/close 7091 (time 1787325277.60 total 100.12 last 74.76)
 - open/close 7837 (time 1787325287.60 total 110.12 last 74.59)
total: 8000 open/close in 112.40 seconds: 71.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1787325405 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second