== sanity test 124b: lru resize (performance test) ================================================================================= 02:20:58 (1786947658)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 729 (time 1786947673.88 total 10.01 last 72.83)
 - open/close 1445 (time 1786947683.89 total 20.02 last 71.49)
 - open/close 2149 (time 1786947693.90 total 30.03 last 70.34)
 - open/close 2835 (time 1786947703.91 total 40.05 last 68.51)
 - open/close 3554 (time 1786947713.92 total 50.05 last 71.84)
 - open/close 4358 (time 1786947723.93 total 60.06 last 80.37)
 - open/close 5106 (time 1786947733.93 total 70.06 last 74.78)
 - open/close 5954 (time 1786947743.94 total 80.07 last 84.73)
 - open/close 6703 (time 1786947753.95 total 90.08 last 74.82)
 - open/close 7564 (time 1786947763.95 total 100.08 last 86.08)
total: 8000 open/close in 106.02 seconds: 75.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 181 seconds
lru_size = 400
 - unlinked 0 (time 1786947961 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 799 (time 1786948089.32 total 10.01 last 79.86)
 - open/close 1528 (time 1786948099.32 total 20.01 last 72.85)
 - open/close 2223 (time 1786948109.33 total 30.02 last 69.45)
 - open/close 2857 (time 1786948119.37 total 40.06 last 63.14)
 - open/close 3544 (time 1786948129.39 total 50.08 last 68.60)
 - open/close 4132 (time 1786948139.40 total 60.09 last 58.71)
 - open/close 4694 (time 1786948149.43 total 70.12 last 56.05)
 - open/close 5249 (time 1786948159.43 total 80.12 last 55.45)
 - open/close 5812 (time 1786948169.44 total 90.13 last 56.29)
 - open/close 6605 (time 1786948179.44 total 100.13 last 79.29)
 - open/close 7119 (time 1786948189.44 total 110.13 last 51.37)
 - open/close 7792 (time 1786948199.47 total 120.16 last 67.10)
total: 8000 open/close in 123.60 seconds: 64.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1786948320 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second