== sanity test 124b: lru resize (performance test) ================================================================================= 03:20:53 (1788592853)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 622 (time 1788592868.27 total 10.00 last 62.20)
 - open/close 1313 (time 1788592878.32 total 20.05 last 68.78)
 - open/close 2008 (time 1788592888.32 total 30.05 last 69.48)
 - open/close 2789 (time 1788592898.33 total 40.06 last 78.02)
 - open/close 3473 (time 1788592908.34 total 50.07 last 68.36)
 - open/close 4192 (time 1788592918.35 total 60.08 last 71.81)
 - open/close 4888 (time 1788592928.37 total 70.10 last 69.45)
 - open/close 5565 (time 1788592938.38 total 80.11 last 67.62)
 - open/close 6284 (time 1788592948.39 total 90.12 last 71.83)
 - open/close 6962 (time 1788592958.41 total 100.14 last 67.69)
 - open/close 7635 (time 1788592968.45 total 110.18 last 67.06)
total: 8000 open/close in 115.36 seconds: 69.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 165 seconds
lru_size = 400
 - unlinked 0 (time 1788593148 ; total 0 ; last 0)
total: 8000 unlinks in 122 seconds: 65.573769 unlinks/second
 - open/close 737 (time 1788593285.41 total 10.00 last 73.68)
 - open/close 1378 (time 1788593295.41 total 20.00 last 64.09)
 - open/close 2139 (time 1788593305.42 total 30.02 last 76.00)
 - open/close 2777 (time 1788593315.44 total 40.03 last 63.72)
 - open/close 3347 (time 1788593325.44 total 50.04 last 56.95)
 - open/close 3965 (time 1788593335.45 total 60.04 last 61.79)
 - open/close 4678 (time 1788593345.45 total 70.04 last 71.29)
 - open/close 5412 (time 1788593355.45 total 80.05 last 73.35)
 - open/close 6113 (time 1788593365.46 total 90.05 last 70.04)
 - open/close 6843 (time 1788593375.47 total 100.06 last 72.94)
 - open/close 7553 (time 1788593385.48 total 110.07 last 70.95)
total: 8000 open/close in 116.38 seconds: 68.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788593513 ; total 0 ; last 0)
total: 8000 unlinks in 90 seconds: 88.888885 unlinks/second