== sanity test 124b: lru resize (performance test) ================================================================================= 21:57:01 (1777427821)
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 4754 (time 1777427835.93 total 10.00 last 475.35)
total: 8000 open/close in 16.65 seconds: 480.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 400
400
 - unlinked 0 (time 1777427915 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4652 (time 1777427938.44 total 10.00 last 465.17)
total: 8000 open/close in 16.86 seconds: 474.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 4006
4001
ls -la is 25% faster with lru resize enabled
 - unlinked 0 (time 1777428006 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second