== sanity test 124b: lru resize (performance test) ================================================================================= 15:53:58 (1767041638)
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 4148 (time 1767041651.25 total 10.00 last 414.73)
total: 8000 open/close in 19.42 seconds: 411.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 400
400
 - unlinked 0 (time 1767041761 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4702 (time 1767041793.44 total 10.00 last 470.11)
total: 8000 open/close in 16.20 seconds: 493.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 4052
3955
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1767041860 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second