== sanity test 124b: lru resize (performance test) ================================================================================= 17:51:42 (1743457902)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3741 (time 1743457913.08 total 10.00 last 374.08)
 - open/close 7382 (time 1743457923.08 total 20.00 last 364.05)
total: 8000 open/close in 21.67 seconds: 369.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 400
 - unlinked 0 (time 1743457993 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second
 - open/close 4698 (time 1743458019.69 total 10.00 last 469.74)
total: 8000 open/close in 16.76 seconds: 477.33 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 83% faster with lru resize enabled
 - unlinked 0 (time 1743458042 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second