== sanity test 124b: lru resize (performance test) ================================================================================= 01:45:24 (1782366324)
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 3081 (time 1782366337.18 total 10.00 last 308.05)
 - open/close 5430 (time 1782366347.18 total 20.00 last 234.86)
 - open/close 7961 (time 1782366357.18 total 30.01 last 253.04)
total: 8000 open/close in 30.19 seconds: 265.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 400
400
 - unlinked 0 (time 1782366435 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3207 (time 1782366457.77 total 10.00 last 320.66)
 - open/close 7909 (time 1782366467.78 total 20.00 last 470.16)
total: 8000 open/close in 20.19 seconds: 396.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 54 seconds
lru_size = 4052
3955
ls -la is 27% faster with lru resize enabled
 - unlinked 0 (time 1782366530 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second