== sanity test 124b: lru resize (performance test) ================================================================================= 05:30:22 (1787477422)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 689 (time 1787477437.07 total 10.00 last 68.90)
 - open/close 1387 (time 1787477447.07 total 20.01 last 69.76)
 - open/close 1918 (time 1787477457.08 total 30.01 last 53.09)
 - open/close 2552 (time 1787477467.08 total 40.02 last 63.35)
 - open/close 3263 (time 1787477477.09 total 50.02 last 71.07)
 - open/close 3998 (time 1787477487.09 total 60.03 last 73.46)
 - open/close 4703 (time 1787477497.12 total 70.05 last 70.31)
 - open/close 5416 (time 1787477507.13 total 80.06 last 71.24)
 - open/close 6021 (time 1787477517.14 total 90.07 last 60.46)
 - open/close 6526 (time 1787477527.19 total 100.12 last 50.25)
 - open/close 7160 (time 1787477537.20 total 110.14 last 63.29)
 - open/close 7764 (time 1787477547.21 total 120.14 last 60.38)
total: 8000 open/close in 124.08 seconds: 64.48 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 194 seconds
lru_size = 400
 - unlinked 0 (time 1787477754 ; total 0 ; last 0)
total: 8000 unlinks in 131 seconds: 61.068703 unlinks/second
 - open/close 463 (time 1787477901.68 total 10.08 last 45.93)
 - open/close 923 (time 1787477911.69 total 20.09 last 45.97)
 - open/close 1599 (time 1787477921.70 total 30.10 last 67.53)
 - open/close 2245 (time 1787477931.70 total 40.10 last 64.58)
 - open/close 2832 (time 1787477941.71 total 50.11 last 58.67)
 - open/close 3464 (time 1787477951.72 total 60.12 last 63.13)
 - open/close 4003 (time 1787477961.73 total 70.13 last 53.84)
 - open/close 4634 (time 1787477971.73 total 80.13 last 63.08)
 - open/close 5300 (time 1787477981.75 total 90.15 last 66.50)
 - open/close 5990 (time 1787477991.77 total 100.17 last 68.86)
 - open/close 6661 (time 1787478001.77 total 110.17 last 67.05)
 - open/close 7306 (time 1787478011.78 total 120.18 last 64.45)
 - open/close 7944 (time 1787478021.78 total 130.18 last 63.80)
total: 8000 open/close in 131.08 seconds: 61.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1787478152 ; total 0 ; last 0)
total: 8000 unlinks in 83 seconds: 96.385544 unlinks/second