== sanity test 124b: lru resize (performance test) ================================================================================= 13:01:37 (1776877297)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3802 (time 1776877311.49 total 10.00 last 380.19)
total: 8000 open/close in 19.71 seconds: 405.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 400
400
 - unlinked 0 (time 1776877414 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2740 (time 1776877445.94 total 10.00 last 273.99)
 - open/close 5578 (time 1776877455.94 total 20.00 last 283.79)
total: 8000 open/close in 27.73 seconds: 288.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 4052
3955
ls -la is 27% faster with lru resize enabled
 - unlinked 0 (time 1776877536 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second