== sanity test 124b: lru resize (performance test) ================================================================================= 01:27:33 (1787894853)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 659 (time 1787894867.51 total 10.02 last 65.74)
 - open/close 1367 (time 1787894877.51 total 20.03 last 70.77)
 - open/close 2009 (time 1787894887.51 total 30.03 last 64.19)
 - open/close 2652 (time 1787894897.52 total 40.04 last 64.24)
 - open/close 3369 (time 1787894907.52 total 50.04 last 71.70)
 - open/close 4147 (time 1787894917.53 total 60.04 last 77.78)
 - open/close 4808 (time 1787894927.53 total 70.05 last 66.07)
 - open/close 5487 (time 1787894937.54 total 80.05 last 67.87)
 - open/close 6176 (time 1787894947.54 total 90.05 last 68.88)
 - open/close 6815 (time 1787894957.54 total 100.06 last 63.86)
 - open/close 7458 (time 1787894967.55 total 110.06 last 64.27)
total: 8000 open/close in 119.52 seconds: 66.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
 - unlinked 0 (time 1787895146 ; total 0 ; last 0)
total: 8000 unlinks in 125 seconds: 64.000000 unlinks/second
 - open/close 687 (time 1787895286.43 total 10.01 last 68.63)
 - open/close 1241 (time 1787895296.44 total 20.03 last 55.31)
 - open/close 1686 (time 1787895306.45 total 30.03 last 44.47)
 - open/close 2157 (time 1787895316.46 total 40.04 last 47.06)
 - open/close 2743 (time 1787895326.47 total 50.05 last 58.56)
 - open/close 3438 (time 1787895336.47 total 60.05 last 69.49)
 - open/close 4021 (time 1787895346.49 total 70.07 last 58.17)
 - open/close 4751 (time 1787895356.50 total 80.08 last 72.93)
 - open/close 5357 (time 1787895366.50 total 90.08 last 60.59)
 - open/close 5852 (time 1787895376.51 total 100.09 last 49.48)
 - open/close 6394 (time 1787895386.51 total 110.10 last 54.17)
 - open/close 6872 (time 1787895396.53 total 120.11 last 47.72)
 - open/close 7508 (time 1787895406.57 total 130.15 last 63.36)
total: 8000 open/close in 137.34 seconds: 58.25 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 43% faster with lru resize enabled
 - unlinked 0 (time 1787895529 ; total 0 ; last 0)
total: 8000 unlinks in 80 seconds: 100.000000 unlinks/second