== sanity test 124b: lru resize (performance test) ================================================================================= 00:41:48 (1744173708)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2622 (time 1744173719.65 total 10.00 last 262.12)
 - open/close 5194 (time 1744173729.65 total 20.01 last 257.11)
 - open/close 7740 (time 1744173739.66 total 30.01 last 254.53)
total: 8000 open/close in 31.05 seconds: 257.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 400
 - unlinked 0 (time 1744173834 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second
 - open/close 2625 (time 1744173875.57 total 10.00 last 262.45)
 - open/close 5556 (time 1744173885.57 total 20.00 last 293.02)
total: 8000 open/close in 29.40 seconds: 272.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 13 seconds
lru_size = 8005
ls -la is 85% faster with lru resize enabled
 - unlinked 0 (time 1744173915 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second