== sanity test 124b: lru resize (performance test) ================================================================================= 10:48:25 (1790952505)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 710 (time 1790952520.72 total 10.00 last 71.00)
 - open/close 1373 (time 1790952530.73 total 20.01 last 66.25)
 - open/close 2066 (time 1790952540.75 total 30.03 last 69.18)
 - open/close 2738 (time 1790952550.75 total 40.03 last 67.20)
 - open/close 3407 (time 1790952560.75 total 50.03 last 66.86)
 - open/close 3931 (time 1790952570.76 total 60.04 last 52.38)
 - open/close 4496 (time 1790952580.76 total 70.04 last 56.48)
 - open/close 5054 (time 1790952590.78 total 80.05 last 55.72)
 - open/close 5462 (time 1790952600.79 total 90.07 last 40.76)
 - open/close 5994 (time 1790952610.81 total 100.08 last 53.10)
 - open/close 6488 (time 1790952620.81 total 110.09 last 49.37)
 - open/close 7021 (time 1790952630.82 total 120.10 last 53.23)
 - open/close 7636 (time 1790952640.86 total 130.13 last 61.30)
total: 8000 open/close in 137.06 seconds: 58.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 186 seconds
lru_size = 400
 - unlinked 0 (time 1790952846 ; total 0 ; last 0)
total: 8000 unlinks in 124 seconds: 64.516129 unlinks/second
 - open/close 696 (time 1790952985.02 total 10.00 last 69.60)
 - open/close 1376 (time 1790952995.03 total 20.01 last 67.94)
 - open/close 2036 (time 1790953005.03 total 30.01 last 65.98)
 - open/close 2692 (time 1790953015.04 total 40.02 last 65.56)
 - open/close 3265 (time 1790953025.04 total 50.02 last 57.28)
 - open/close 3847 (time 1790953035.04 total 60.02 last 58.20)
 - open/close 4521 (time 1790953045.05 total 70.03 last 67.34)
 - open/close 5142 (time 1790953055.05 total 80.03 last 62.09)
 - open/close 5724 (time 1790953065.07 total 90.05 last 58.08)
 - open/close 6300 (time 1790953075.08 total 100.06 last 57.57)
 - open/close 6961 (time 1790953085.08 total 110.06 last 66.07)
 - open/close 7709 (time 1790953095.09 total 120.07 last 74.76)
total: 8000 open/close in 124.16 seconds: 64.43 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 53% faster with lru resize enabled
 - unlinked 0 (time 1790953208 ; total 0 ; last 0)
total: 8000 unlinks in 87 seconds: 91.954025 unlinks/second