== sanity test 124b: lru resize (performance test) ================================================================================= 19:43:00 (1781221380)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 682 (time 1781221396.69 total 10.01 last 68.17)
 - open/close 1392 (time 1781221406.71 total 20.02 last 70.92)
 - open/close 2081 (time 1781221416.71 total 30.02 last 68.89)
 - open/close 2800 (time 1781221426.71 total 40.02 last 71.86)
 - open/close 3517 (time 1781221436.72 total 50.03 last 71.68)
 - open/close 4207 (time 1781221446.72 total 60.03 last 68.97)
 - open/close 4859 (time 1781221456.74 total 70.05 last 65.10)
 - open/close 5430 (time 1781221466.75 total 80.06 last 57.00)
 - open/close 6114 (time 1781221476.76 total 90.07 last 68.39)
 - open/close 6856 (time 1781221486.76 total 100.07 last 74.16)
 - open/close 7558 (time 1781221496.77 total 110.08 last 70.11)
total: 8000 open/close in 115.38 seconds: 69.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 191 seconds
lru_size = 400
 - unlinked 0 (time 1781221706 ; total 0 ; last 0)
total: 8000 unlinks in 120 seconds: 66.666664 unlinks/second
 - open/close 611 (time 1781221842.59 total 10.01 last 61.06)
 - open/close 1348 (time 1781221852.59 total 20.01 last 73.67)
 - open/close 2090 (time 1781221862.59 total 30.01 last 74.20)
 - open/close 2902 (time 1781221872.60 total 40.02 last 81.17)
 - open/close 3763 (time 1781221882.61 total 50.02 last 86.02)
 - open/close 4338 (time 1781221892.62 total 60.04 last 57.43)
 - open/close 4974 (time 1781221902.62 total 70.04 last 63.58)
 - open/close 5771 (time 1781221912.63 total 80.05 last 79.63)
 - open/close 6530 (time 1781221922.64 total 90.06 last 75.82)
 - open/close 7245 (time 1781221932.66 total 100.07 last 71.40)
total: 8000 open/close in 109.49 seconds: 73.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1781222066 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second