== sanity test 124b: lru resize (performance test) ================================================================================= 06:10:26 (1744539026)
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 2456 (time 1744539038.55 total 10.00 last 245.53)
 - open/close 4930 (time 1744539048.55 total 20.00 last 247.38)
 - open/close 7384 (time 1744539058.55 total 30.01 last 245.36)
total: 8000 open/close in 32.51 seconds: 246.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 39 seconds
lru_size = 400
400
 - unlinked 0 (time 1744539103 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3432 (time 1744539132.92 total 10.00 last 343.10)
 - open/close 5926 (time 1744539142.92 total 20.00 last 249.39)
total: 8000 open/close in 27.90 seconds: 286.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 4052
3955
ls -la is 76% faster with lru resize enabled
 - unlinked 0 (time 1744539166 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second