== sanity test 124b: lru resize (performance test) ================================================================================= 08:00:15 (1740488415)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3531 (time 1740488427.10 total 10.00 last 352.99)
 - open/close 5917 (time 1740488437.10 total 20.01 last 238.53)
total: 8000 open/close in 28.92 seconds: 276.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 102 seconds
lru_size = 400
 - unlinked 0 (time 1740488551 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second
 - open/close 2488 (time 1740488593.54 total 10.00 last 248.74)
 - open/close 4991 (time 1740488603.54 total 20.00 last 250.27)
 - open/close 7398 (time 1740488613.54 total 30.00 last 240.69)
total: 8000 open/close in 32.43 seconds: 246.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 8005
ls -la is 91% faster with lru resize enabled
 - unlinked 0 (time 1740488632 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second