== sanity test 124b: lru resize (performance test) ================================================================================= 16:06:32 (1789329992)
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 2099 (time 1789330005.97 total 10.00 last 209.84)
 - open/close 4190 (time 1789330015.97 total 20.00 last 209.10)
 - open/close 6272 (time 1789330025.97 total 30.01 last 208.13)
total: 8000 open/close in 38.55 seconds: 207.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 112 seconds
lru_size = 400
400
 - unlinked 0 (time 1789330151 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2136 (time 1789330186.24 total 10.00 last 213.57)
 - open/close 4165 (time 1789330196.25 total 20.00 last 202.87)
 - open/close 6291 (time 1789330206.25 total 30.01 last 212.53)
total: 8000 open/close in 38.33 seconds: 208.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 4052
3955
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1789330295 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second