== sanity test 124b: lru resize (performance test) ================================================================================= 08:53:51 (1743512031)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2909 (time 1743512042.83 total 10.00 last 290.78)
 - open/close 6135 (time 1743512052.83 total 20.00 last 322.58)
total: 8000 open/close in 25.97 seconds: 308.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 400
 - unlinked 0 (time 1743512156 ; total 0 ; last 0)
total: 8000 unlinks in 26 seconds: 307.692322 unlinks/second
 - open/close 3618 (time 1743512193.39 total 10.00 last 361.78)
 - open/close 7523 (time 1743512203.39 total 20.00 last 390.39)
total: 8000 open/close in 21.42 seconds: 373.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 8005
ls -la is 89% faster with lru resize enabled
 - unlinked 0 (time 1743512220 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second