== sanity test 124b: lru resize (performance test) ================================================================================= 09:10:18 (1787749818)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 758 (time 1787749833.61 total 10.00 last 75.79)
 - open/close 1609 (time 1787749843.62 total 20.01 last 85.02)
 - open/close 2371 (time 1787749853.62 total 30.02 last 76.16)
 - open/close 3069 (time 1787749863.63 total 40.02 last 69.74)
 - open/close 3867 (time 1787749873.63 total 50.03 last 79.79)
 - open/close 4594 (time 1787749883.64 total 60.04 last 72.61)
 - open/close 5330 (time 1787749893.65 total 70.04 last 73.58)
 - open/close 6102 (time 1787749903.66 total 80.05 last 77.13)
 - open/close 6901 (time 1787749913.66 total 90.06 last 79.86)
 - open/close 7707 (time 1787749923.67 total 100.06 last 80.54)
total: 8000 open/close in 103.81 seconds: 77.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 176 seconds
lru_size = 400
 - unlinked 0 (time 1787750116 ; total 0 ; last 0)
total: 8000 unlinks in 139 seconds: 57.553955 unlinks/second
 - open/close 725 (time 1787750271.42 total 10.01 last 72.45)
 - open/close 1413 (time 1787750281.43 total 20.01 last 68.77)
 - open/close 2041 (time 1787750291.43 total 30.01 last 62.80)
 - open/close 2769 (time 1787750301.43 total 40.02 last 72.78)
 - open/close 3491 (time 1787750311.45 total 50.03 last 72.11)
 - open/close 4114 (time 1787750321.46 total 60.04 last 62.21)
 - open/close 4719 (time 1787750331.47 total 70.05 last 60.43)
 - open/close 5499 (time 1787750341.49 total 80.07 last 77.84)
 - open/close 6224 (time 1787750351.49 total 90.08 last 72.49)
 - open/close 7046 (time 1787750361.53 total 100.11 last 81.89)
 - open/close 7654 (time 1787750371.54 total 110.12 last 60.76)
total: 8000 open/close in 115.83 seconds: 69.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1787750505 ; total 0 ; last 0)
total: 8000 unlinks in 85 seconds: 94.117645 unlinks/second