== sanity test 124b: lru resize (performance test) ================================================================================= 17:35:09 (1741901709)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3799 (time 1741901720.20 total 10.00 last 379.80)
 - open/close 7194 (time 1741901730.21 total 20.00 last 339.42)
total: 8000 open/close in 22.15 seconds: 361.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 400
 - unlinked 0 (time 1741901798 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second
 - open/close 5772 (time 1741901823.75 total 10.00 last 577.12)
total: 8000 open/close in 13.98 seconds: 572.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 8005
ls -la is 82% faster with lru resize enabled
 - unlinked 0 (time 1741901842 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second