== sanity test 124b: lru resize (performance test) ================================================================================= 12:19:14 (1740676754)
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 5072 (time 1740676765.84 total 10.00 last 507.16)
total: 8000 open/close in 15.42 seconds: 518.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 400
400
 - unlinked 0 (time 1740676817 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5323 (time 1740676838.00 total 10.00 last 532.27)
total: 8000 open/close in 14.72 seconds: 543.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4006
4001
ls -la is 75% faster with lru resize enabled
 - unlinked 0 (time 1740676858 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second