== sanity test 124b: lru resize (performance test) ================================================================================= 12:55:18 (1788368118)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2148 (time 1788368131.24 total 10.00 last 214.77)
 - open/close 3893 (time 1788368141.25 total 20.01 last 174.37)
 - open/close 5319 (time 1788368151.25 total 30.02 last 142.51)
 - open/close 6886 (time 1788368161.26 total 40.02 last 156.65)
total: 8000 open/close in 47.50 seconds: 168.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 400
 - unlinked 0 (time 1788368260 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second
 - open/close 1542 (time 1788368302.10 total 10.00 last 154.18)
 - open/close 4063 (time 1788368312.10 total 20.00 last 252.03)
 - open/close 6270 (time 1788368322.11 total 30.01 last 220.67)
total: 8000 open/close in 36.30 seconds: 220.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 8005
ls -la is 13% faster with lru resize enabled
 - unlinked 0 (time 1788368420 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second