== sanity test 124b: lru resize (performance test) ================================================================================= 09:10:33 (1787404233)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 807 (time 1787404246.77 total 10.00 last 80.68)
 - open/close 1441 (time 1787404256.77 total 20.01 last 63.37)
 - open/close 2244 (time 1787404266.77 total 30.01 last 80.30)
 - open/close 3074 (time 1787404276.77 total 40.01 last 83.00)
 - open/close 3894 (time 1787404286.77 total 50.01 last 82.00)
 - open/close 4702 (time 1787404296.78 total 60.01 last 80.77)
 - open/close 5455 (time 1787404306.78 total 70.02 last 75.27)
 - open/close 6238 (time 1787404316.79 total 80.03 last 78.23)
 - open/close 7047 (time 1787404326.80 total 90.04 last 80.82)
 - open/close 7864 (time 1787404336.80 total 100.04 last 81.66)
total: 8000 open/close in 102.28 seconds: 78.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 158 seconds
lru_size = 400
 - unlinked 0 (time 1787404508 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 699 (time 1787404631.35 total 10.01 last 69.83)
 - open/close 1404 (time 1787404641.36 total 20.02 last 70.40)
 - open/close 2087 (time 1787404651.37 total 30.04 last 68.22)
 - open/close 2876 (time 1787404661.38 total 40.05 last 78.81)
 - open/close 3703 (time 1787404671.39 total 50.05 last 82.67)
 - open/close 4511 (time 1787404681.40 total 60.06 last 80.72)
 - open/close 5396 (time 1787404691.41 total 70.07 last 88.43)
 - open/close 6119 (time 1787404701.42 total 80.08 last 72.23)
 - open/close 6878 (time 1787404711.42 total 90.08 last 75.88)
 - open/close 7724 (time 1787404721.42 total 100.09 last 84.57)
total: 8000 open/close in 103.46 seconds: 77.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1787404826 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second