== sanity test 124b: lru resize (performance test) ================================================================================= 22:49:31 (1777430971)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2313 (time 1777430983.56 total 10.00 last 231.22)
 - open/close 4586 (time 1777430993.56 total 20.01 last 227.24)
 - open/close 6840 (time 1777431003.56 total 30.01 last 225.38)
total: 8000 open/close in 35.25 seconds: 226.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 111 seconds
lru_size = 400
 - unlinked 0 (time 1777431124 ; total 0 ; last 0)
total: 8000 unlinks in 28 seconds: 285.714294 unlinks/second
 - open/close 2060 (time 1777431164.29 total 10.00 last 205.99)
 - open/close 3612 (time 1777431174.30 total 20.01 last 155.12)
 - open/close 4745 (time 1777431184.30 total 30.01 last 113.29)
 - open/close 6843 (time 1777431194.30 total 40.01 last 209.74)
total: 8000 open/close in 45.64 seconds: 175.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1777431276 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second