== sanity test 124b: lru resize (performance test) ================================================================================= 05:35:16 (1731753316)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2687 (time 1731753328.60 total 10.00 last 268.67)
 - open/close 5560 (time 1731753338.60 total 20.00 last 287.28)
total: 8000 open/close in 29.05 seconds: 275.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 400
 - unlinked 0 (time 1731753440 ; total 0 ; last 0)
total: 8000 unlinks in 27 seconds: 296.296295 unlinks/second
 - open/close 3036 (time 1731753478.53 total 10.00 last 303.60)
 - open/close 6047 (time 1731753488.53 total 20.00 last 301.09)
total: 8000 open/close in 25.70 seconds: 311.33 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 90% faster with lru resize enabled
 - unlinked 0 (time 1731753509 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second