== sanity test 124b: lru resize (performance test) ================================================================================= 00:03:02 (1761969782)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1988 (time 1761969794.65 total 10.00 last 198.71)
 - open/close 3824 (time 1761969804.65 total 20.01 last 183.48)
 - open/close 5545 (time 1761969814.66 total 30.02 last 171.93)
total: 8000 open/close in 36.96 seconds: 216.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 400
 - unlinked 0 (time 1761969918 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second
 - open/close 1911 (time 1761969954.71 total 10.00 last 191.03)
 - open/close 3927 (time 1761969964.71 total 20.00 last 201.57)
 - open/close 6003 (time 1761969974.71 total 30.01 last 207.57)
total: 8000 open/close in 38.63 seconds: 207.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 55 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1761970046 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second