== sanity test 124b: lru resize (performance test) ================================================================================= 08:16:04 (1789128964)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 685 (time 1789128980.29 total 10.00 last 68.49)
 - open/close 1310 (time 1789128990.30 total 20.02 last 62.41)
 - open/close 1984 (time 1789129000.31 total 30.02 last 67.36)
 - open/close 2787 (time 1789129010.31 total 40.02 last 80.28)
 - open/close 3589 (time 1789129020.32 total 50.03 last 80.15)
 - open/close 4372 (time 1789129030.32 total 60.04 last 78.27)
 - open/close 5127 (time 1789129040.33 total 70.04 last 75.46)
 - open/close 5980 (time 1789129050.35 total 80.06 last 85.13)
 - open/close 6670 (time 1789129060.35 total 90.06 last 68.99)
 - open/close 7538 (time 1789129070.35 total 100.06 last 86.78)
total: 8000 open/close in 107.06 seconds: 74.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 179 seconds
lru_size = 400
 - unlinked 0 (time 1789129267 ; total 0 ; last 0)
total: 8000 unlinks in 118 seconds: 67.796608 unlinks/second
 - open/close 698 (time 1789129399.82 total 10.00 last 69.79)
 - open/close 1510 (time 1789129409.82 total 20.01 last 81.13)
 - open/close 2231 (time 1789129419.83 total 30.02 last 72.04)
 - open/close 2991 (time 1789129429.84 total 40.03 last 75.94)
 - open/close 3676 (time 1789129439.86 total 50.05 last 68.34)
 - open/close 4503 (time 1789129449.86 total 60.05 last 82.69)
 - open/close 5386 (time 1789129459.87 total 70.05 last 88.28)
 - open/close 6158 (time 1789129469.87 total 80.06 last 77.17)
 - open/close 6936 (time 1789129479.87 total 90.06 last 77.77)
 - open/close 7699 (time 1789129489.87 total 100.06 last 76.30)
total: 8000 open/close in 103.98 seconds: 76.94 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 49% faster with lru resize enabled
 - unlinked 0 (time 1789129604 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second