== sanity test 124b: lru resize (performance test) ================================================================================= 00:02:57 (1789358577)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2364 (time 1789358590.17 total 10.00 last 236.31)
 - open/close 4066 (time 1789358600.17 total 20.01 last 170.10)
 - open/close 5939 (time 1789358610.17 total 30.01 last 187.30)
 - open/close 7799 (time 1789358620.18 total 40.01 last 185.96)
total: 8000 open/close in 41.14 seconds: 194.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 400
 - unlinked 0 (time 1789358709 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
 - open/close 2790 (time 1789358740.82 total 10.00 last 278.99)
 - open/close 5783 (time 1789358750.83 total 20.00 last 299.26)
total: 8000 open/close in 28.96 seconds: 276.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 8005
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1789358819 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second