== sanity test 124b: lru resize (performance test) ================================================================================= 11:46:42 (1782488802)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 515 (time 1782488818.91 total 10.01 last 51.47)
 - open/close 1115 (time 1782488828.93 total 20.03 last 59.84)
 - open/close 1963 (time 1782488838.93 total 30.03 last 84.80)
 - open/close 2843 (time 1782488848.95 total 40.05 last 87.86)
 - open/close 3596 (time 1782488858.95 total 50.05 last 75.29)
 - open/close 4558 (time 1782488868.95 total 60.05 last 96.18)
 - open/close 5661 (time 1782488878.95 total 70.05 last 110.27)
 - open/close 6724 (time 1782488888.96 total 80.06 last 106.21)
 - open/close 7724 (time 1782488898.97 total 90.07 last 99.93)
total: 8000 open/close in 93.29 seconds: 85.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 123 seconds
lru_size = 400
 - unlinked 0 (time 1782489032 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
 - open/close 504 (time 1782489146.00 total 10.01 last 50.33)
 - open/close 1140 (time 1782489156.01 total 20.02 last 63.54)
 - open/close 1819 (time 1782489166.01 total 30.03 last 67.88)
 - open/close 2577 (time 1782489176.02 total 40.03 last 75.75)
 - open/close 3331 (time 1782489186.03 total 50.05 last 75.28)
 - open/close 4105 (time 1782489196.06 total 60.08 last 77.18)
 - open/close 4761 (time 1782489206.07 total 70.09 last 65.53)
 - open/close 5395 (time 1782489216.08 total 80.10 last 63.33)
 - open/close 6174 (time 1782489226.09 total 90.10 last 77.85)
 - open/close 6998 (time 1782489236.10 total 100.12 last 82.31)
 - open/close 7634 (time 1782489246.11 total 110.12 last 63.55)
total: 8000 open/close in 114.79 seconds: 69.69 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 26% faster with lru resize enabled
 - unlinked 0 (time 1782489368 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second