== sanity test 124b: lru resize (performance test) ================================================================================= 00:21:19 (1789618879)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 634 (time 1789618894.92 total 10.01 last 63.36)
 - open/close 1258 (time 1789618904.94 total 20.02 last 62.31)
 - open/close 1917 (time 1789618914.95 total 30.03 last 65.82)
 - open/close 2580 (time 1789618924.98 total 40.06 last 66.13)
 - open/close 3214 (time 1789618934.98 total 50.06 last 63.38)
 - open/close 3817 (time 1789618944.98 total 60.06 last 60.29)
 - open/close 4470 (time 1789618954.98 total 70.06 last 65.28)
 - open/close 5077 (time 1789618965.00 total 80.08 last 60.61)
 - open/close 5698 (time 1789618975.01 total 90.09 last 62.03)
 - open/close 6312 (time 1789618985.01 total 100.10 last 61.37)
 - open/close 6848 (time 1789618995.03 total 110.11 last 53.53)
 - open/close 7368 (time 1789619005.06 total 120.14 last 51.84)
 - open/close 7967 (time 1789619015.06 total 130.14 last 59.89)
total: 8000 open/close in 130.85 seconds: 61.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 187 seconds
lru_size = 400
 - unlinked 0 (time 1789619214 ; total 0 ; last 0)
total: 8000 unlinks in 133 seconds: 60.150375 unlinks/second
 - open/close 723 (time 1789619362.91 total 10.01 last 72.26)
 - open/close 1364 (time 1789619372.91 total 20.01 last 64.10)
 - open/close 2100 (time 1789619382.92 total 30.01 last 73.57)
 - open/close 2916 (time 1789619392.92 total 40.02 last 81.54)
 - open/close 3691 (time 1789619402.93 total 50.02 last 77.44)
 - open/close 4385 (time 1789619412.94 total 60.03 last 69.33)
 - open/close 5125 (time 1789619422.94 total 70.04 last 73.98)
 - open/close 5819 (time 1789619432.95 total 80.05 last 69.34)
 - open/close 6412 (time 1789619442.96 total 90.05 last 59.25)
 - open/close 6990 (time 1789619452.96 total 100.06 last 57.80)
 - open/close 7575 (time 1789619462.98 total 110.07 last 58.39)
total: 8000 open/close in 118.00 seconds: 67.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1789619601 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second