== sanity test 124b: lru resize (performance test) ================================================================================= 01:17:35 (1782537455)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2610 (time 1782537468.12 total 10.00 last 260.95)
 - open/close 5261 (time 1782537478.12 total 20.00 last 265.07)
 - open/close 7055 (time 1782537488.12 total 30.01 last 179.36)
total: 8000 open/close in 33.89 seconds: 236.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 115 seconds
lru_size = 400
 - unlinked 0 (time 1782537610 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second
 - open/close 2295 (time 1782537645.02 total 10.00 last 229.47)
 - open/close 4815 (time 1782537655.02 total 20.01 last 251.90)
 - open/close 6994 (time 1782537665.02 total 30.01 last 217.81)
total: 8000 open/close in 34.67 seconds: 230.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1782537744 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second