== sanity test 124b: lru resize (performance test) ================================================================================= 22:41:49 (1773110509)
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 2948 (time 1773110523.15 total 10.00 last 294.72)
 - open/close 6477 (time 1773110533.15 total 20.00 last 352.90)
total: 8000 open/close in 23.75 seconds: 336.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 400
400
 - unlinked 0 (time 1773110631 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4409 (time 1773110654.29 total 10.00 last 440.85)
total: 8000 open/close in 17.77 seconds: 450.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 58 seconds
lru_size = 4006
4001
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1773110728 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second