== sanity test 124b: lru resize (performance test) ================================================================================= 00:24:07 (1763357047)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4689 (time 1763357063.05 total 10.00 last 468.81)
total: 8000 open/close in 17.00 seconds: 470.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 69 seconds
lru_size = 400
400
 - unlinked 0 (time 1763357142 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4259 (time 1763357169.38 total 10.00 last 425.87)
total: 8000 open/close in 18.02 seconds: 444.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 4052
3955
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1763357229 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second