== sanity test 124b: lru resize (performance test) ================================================================================= 08:02:18 (1787745738)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 595 (time 1787745754.43 total 10.00 last 59.48)
 - open/close 1097 (time 1787745764.45 total 20.03 last 50.08)
 - open/close 1727 (time 1787745774.48 total 30.05 last 62.86)
 - open/close 2143 (time 1787745784.49 total 40.06 last 41.55)
 - open/close 2626 (time 1787745794.49 total 50.06 last 48.28)
 - open/close 3194 (time 1787745804.50 total 60.07 last 56.77)
 - open/close 3867 (time 1787745814.53 total 70.11 last 67.05)
 - open/close 4362 (time 1787745824.54 total 80.12 last 49.44)
 - open/close 5071 (time 1787745834.55 total 90.13 last 70.84)
 - open/close 5731 (time 1787745844.56 total 100.13 last 65.95)
 - open/close 6308 (time 1787745854.56 total 110.13 last 57.69)
 - open/close 6728 (time 1787745864.57 total 120.14 last 41.97)
 - open/close 7300 (time 1787745874.57 total 130.15 last 57.18)
 - open/close 7905 (time 1787745884.58 total 140.15 last 60.45)
total: 8000 open/close in 141.78 seconds: 56.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 179 seconds
lru_size = 400
400
 - unlinked 0 (time 1787746078 ; total 0 ; last 0)
total: 8000 unlinks in 115 seconds: 69.565216 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 637 (time 1787746209.88 total 10.00 last 63.68)
 - open/close 1196 (time 1787746219.89 total 20.01 last 55.84)
 - open/close 1836 (time 1787746229.90 total 30.03 last 63.91)
 - open/close 2485 (time 1787746239.90 total 40.03 last 64.89)
 - open/close 3183 (time 1787746249.91 total 50.03 last 69.77)
 - open/close 3880 (time 1787746259.92 total 60.04 last 69.65)
 - open/close 4686 (time 1787746269.92 total 70.05 last 80.55)
 - open/close 5329 (time 1787746279.92 total 80.05 last 64.29)
 - open/close 5935 (time 1787746289.93 total 90.05 last 60.57)
 - open/close 6584 (time 1787746299.94 total 100.07 last 64.82)
 - open/close 7226 (time 1787746309.94 total 110.07 last 64.19)
 - open/close 7925 (time 1787746319.95 total 120.08 last 69.84)
total: 8000 open/close in 121.06 seconds: 66.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 117 seconds
lru_size = 4052
3955
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1787746466 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second