== sanity test 124b: lru resize (performance test) ================================================================================= 23:56:39 (1781236599)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1716 (time 1781236611.01 total 10.01 last 171.50)
 - open/close 3507 (time 1781236621.01 total 20.01 last 179.03)
 - open/close 5352 (time 1781236631.01 total 30.01 last 184.43)
 - open/close 6719 (time 1781236641.02 total 40.02 last 136.67)
total: 8000 open/close in 44.10 seconds: 181.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 400
 - unlinked 0 (time 1781236734 ; total 0 ; last 0)
total: 8000 unlinks in 27 seconds: 296.296295 unlinks/second
 - open/close 2154 (time 1781236773.71 total 10.00 last 215.40)
 - open/close 4305 (time 1781236783.71 total 20.00 last 215.07)
 - open/close 6143 (time 1781236793.72 total 30.00 last 183.78)
total: 8000 open/close in 39.54 seconds: 202.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1781236862 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second