== sanity test 124b: lru resize (performance test) ================================================================================= 22:56:04 (1786762564)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 845 (time 1786762579.60 total 10.00 last 84.48)
 - open/close 1637 (time 1786762589.60 total 20.00 last 79.19)
 - open/close 2416 (time 1786762599.61 total 30.01 last 77.86)
 - open/close 3213 (time 1786762609.61 total 40.01 last 79.68)
 - open/close 4010 (time 1786762619.62 total 50.02 last 79.66)
 - open/close 4849 (time 1786762629.62 total 60.02 last 83.84)
 - open/close 5714 (time 1786762639.63 total 70.03 last 86.44)
 - open/close 6565 (time 1786762649.64 total 80.04 last 85.05)
 - open/close 7365 (time 1786762659.64 total 90.05 last 79.94)
total: 8000 open/close in 98.09 seconds: 81.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 165 seconds
lru_size = 400
400
 - unlinked 0 (time 1786762842 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 779 (time 1786762956.32 total 10.00 last 77.89)
 - open/close 1573 (time 1786762966.33 total 20.01 last 79.35)
 - open/close 2475 (time 1786762976.34 total 30.02 last 90.12)
 - open/close 3285 (time 1786762986.34 total 40.02 last 80.97)
 - open/close 4025 (time 1786762996.35 total 50.03 last 73.96)
 - open/close 4831 (time 1786763006.35 total 60.03 last 80.57)
 - open/close 5619 (time 1786763016.37 total 70.05 last 78.62)
 - open/close 6439 (time 1786763026.37 total 80.05 last 81.99)
 - open/close 7152 (time 1786763036.38 total 90.06 last 71.23)
 - open/close 7944 (time 1786763046.39 total 100.07 last 79.12)
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: 95 seconds
lru_size = 4052
3955
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1786763162 ; total 0 ; last 0)
total: 8000 unlinks in 60 seconds: 133.333328 unlinks/second