== sanity test 124b: lru resize (performance test) ================================================================================= 19:45:10 (1786837510)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3037 (time 1786837523.16 total 10.00 last 303.68)
 - open/close 6301 (time 1786837533.16 total 20.00 last 326.32)
total: 8000 open/close in 26.00 seconds: 307.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 400
 - unlinked 0 (time 1786837620 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 4425 (time 1786837645.28 total 10.00 last 442.42)
total: 8000 open/close in 17.97 seconds: 445.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1786837704 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second