== sanity test 124b: lru resize (performance test) ================================================================================= 13:00:28 (1754413228)
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 4199 (time 1754413244.88 total 10.00 last 419.88)
total: 8000 open/close in 18.63 seconds: 429.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 400
400
 - unlinked 0 (time 1754413340 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4098 (time 1754413366.62 total 10.00 last 409.72)
total: 8000 open/close in 18.54 seconds: 431.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 4052
3955
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1754413434 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second