== sanity test 124b: lru resize (performance test) ================================================================================= 12:47:10 (1783356430)
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 4360 (time 1783356443.65 total 10.00 last 435.95)
total: 8000 open/close in 18.03 seconds: 443.71 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 81 seconds
lru_size = 400
400
 - unlinked 0 (time 1783356536 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4394 (time 1783356559.61 total 10.00 last 439.40)
total: 8000 open/close in 17.90 seconds: 447.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 57 seconds
lru_size = 4052
3955
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1783356633 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second