== sanity test 124b: lru resize (performance test) ================================================================================= 21:31:32 (1788917492)
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 4170 (time 1788917505.99 total 10.00 last 416.90)
total: 8000 open/close in 19.19 seconds: 416.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 62 seconds
lru_size = 400
400
 - unlinked 0 (time 1788917580 ; 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 3907 (time 1788917603.52 total 10.00 last 390.66)
total: 8000 open/close in 18.89 seconds: 423.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 42 seconds
lru_size = 4052
3955
ls -la is 32% faster with lru resize enabled
 - unlinked 0 (time 1788917661 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second