== sanity test 124b: lru resize (performance test) ================================================================================= 05:06:48 (1787389608)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 777 (time 1787389622.33 total 10.02 last 77.55)
 - open/close 1546 (time 1787389632.34 total 20.03 last 76.83)
 - open/close 2214 (time 1787389642.35 total 30.04 last 66.73)
 - open/close 2941 (time 1787389652.36 total 40.04 last 72.66)
 - open/close 3655 (time 1787389662.36 total 50.04 last 71.39)
 - open/close 4437 (time 1787389672.37 total 60.06 last 78.10)
 - open/close 5217 (time 1787389682.37 total 70.06 last 78.00)
 - open/close 6016 (time 1787389692.38 total 80.06 last 79.84)
 - open/close 6826 (time 1787389702.38 total 90.06 last 80.99)
 - open/close 7622 (time 1787389712.38 total 100.07 last 79.57)
total: 8000 open/close in 105.54 seconds: 75.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 158 seconds
lru_size = 400
 - unlinked 0 (time 1787389884 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
 - open/close 818 (time 1787390003.40 total 10.02 last 81.66)
 - open/close 1552 (time 1787390013.40 total 20.02 last 73.37)
 - open/close 2395 (time 1787390023.41 total 30.03 last 84.25)
 - open/close 3192 (time 1787390033.41 total 40.03 last 79.68)
 - open/close 4027 (time 1787390043.42 total 50.04 last 83.42)
 - open/close 4864 (time 1787390053.43 total 60.05 last 83.64)
 - open/close 5680 (time 1787390063.44 total 70.06 last 81.53)
 - open/close 6421 (time 1787390073.44 total 80.06 last 74.08)
 - open/close 7181 (time 1787390083.45 total 90.07 last 75.94)
 - open/close 7934 (time 1787390093.45 total 100.07 last 75.29)
total: 8000 open/close in 100.78 seconds: 79.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1787390203 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second