== sanity test 124b: lru resize (performance test) ================================================================================= 08:35:34 (1773664534)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3618 (time 1773664547.00 total 10.00 last 361.64)
 - open/close 6108 (time 1773664557.00 total 20.01 last 248.96)
total: 8000 open/close in 25.19 seconds: 317.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 400
 - unlinked 0 (time 1773664637 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second
 - open/close 3440 (time 1773664662.48 total 10.00 last 343.95)
 - open/close 6346 (time 1773664672.48 total 20.00 last 290.60)
total: 8000 open/close in 24.90 seconds: 321.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 8005
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1773664736 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second