== sanity test 124b: lru resize (performance test) ================================================================================= 13:07:29 (1744132049)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4596 (time 1744132061.03 total 10.00 last 459.56)
total: 8000 open/close in 17.69 seconds: 452.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 400
400
 - unlinked 0 (time 1744132120 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4394 (time 1744132141.30 total 10.00 last 439.38)
total: 8000 open/close in 19.11 seconds: 418.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 12 seconds
lru_size = 4052
3955
ls -la is 76% faster with lru resize enabled
 - unlinked 0 (time 1744132171 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second