== sanity test 124b: lru resize (performance test) ================================================================================= 04:53:34 (1790931214)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 745 (time 1790931229.42 total 10.01 last 74.46)
 - open/close 1474 (time 1790931239.42 total 20.01 last 72.90)
 - open/close 2118 (time 1790931249.43 total 30.01 last 64.37)
 - open/close 2804 (time 1790931259.44 total 40.02 last 68.54)
 - open/close 3525 (time 1790931269.45 total 50.03 last 72.03)
 - open/close 4238 (time 1790931279.45 total 60.03 last 71.25)
 - open/close 4946 (time 1790931289.46 total 70.04 last 70.76)
 - open/close 5668 (time 1790931299.47 total 80.05 last 72.15)
 - open/close 6363 (time 1790931309.47 total 90.05 last 69.49)
 - open/close 7038 (time 1790931319.48 total 100.06 last 67.41)
 - open/close 7763 (time 1790931329.49 total 110.07 last 72.44)
total: 8000 open/close in 113.88 seconds: 70.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 164 seconds
lru_size = 400
400
 - unlinked 0 (time 1790931508 ; total 0 ; last 0)
total: 8000 unlinks in 116 seconds: 68.965515 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 729 (time 1790931640.47 total 10.01 last 72.86)
 - open/close 1466 (time 1790931650.47 total 20.01 last 73.65)
 - open/close 2174 (time 1790931660.48 total 30.02 last 70.73)
 - open/close 2818 (time 1790931670.49 total 40.03 last 64.37)
 - open/close 3528 (time 1790931680.50 total 50.04 last 70.91)
 - open/close 4229 (time 1790931690.50 total 60.04 last 70.09)
 - open/close 4918 (time 1790931700.50 total 70.04 last 68.89)
 - open/close 5641 (time 1790931710.51 total 80.05 last 72.28)
 - open/close 6321 (time 1790931720.52 total 90.06 last 67.90)
 - open/close 6988 (time 1790931730.52 total 100.06 last 66.69)
 - open/close 7744 (time 1790931740.53 total 110.07 last 75.55)
total: 8000 open/close in 113.52 seconds: 70.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 4052
3956
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1790931848 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second