== sanity test 124b: lru resize (performance test) ================================================================================= 05:31:16 (1787477476)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 856 (time 1787477491.46 total 10.01 last 85.53)
 - open/close 1628 (time 1787477501.46 total 20.01 last 77.18)
 - open/close 2433 (time 1787477511.46 total 30.01 last 80.50)
 - open/close 3228 (time 1787477521.48 total 40.03 last 79.35)
 - open/close 3987 (time 1787477531.48 total 50.03 last 75.89)
 - open/close 4700 (time 1787477541.49 total 60.03 last 71.28)
 - open/close 5419 (time 1787477551.50 total 70.04 last 71.84)
 - open/close 6123 (time 1787477561.50 total 80.05 last 70.37)
 - open/close 6986 (time 1787477571.51 total 90.05 last 86.24)
 - open/close 7715 (time 1787477581.51 total 100.06 last 72.88)
total: 8000 open/close in 103.99 seconds: 76.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 162 seconds
lru_size = 400
 - unlinked 0 (time 1787477757 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 816 (time 1787477874.93 total 10.01 last 81.52)
 - open/close 1608 (time 1787477884.94 total 20.01 last 79.16)
 - open/close 2283 (time 1787477894.94 total 30.02 last 67.44)
 - open/close 3174 (time 1787477904.95 total 40.03 last 89.02)
 - open/close 3978 (time 1787477914.96 total 50.03 last 80.38)
 - open/close 4912 (time 1787477924.97 total 60.04 last 93.30)
 - open/close 5728 (time 1787477934.97 total 70.05 last 81.56)
 - open/close 6434 (time 1787477944.97 total 80.05 last 70.59)
 - open/close 7096 (time 1787477954.98 total 90.06 last 66.17)
 - open/close 7931 (time 1787477964.98 total 100.06 last 83.48)
total: 8000 open/close in 100.77 seconds: 79.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1787478076 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second