== sanity test 124b: lru resize (performance test) ================================================================================= 22:28:00 (1789612080)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 725 (time 1789612094.83 total 10.01 last 72.45)
 - open/close 1485 (time 1789612104.83 total 20.01 last 75.99)
 - open/close 2213 (time 1789612114.84 total 30.02 last 72.72)
 - open/close 2977 (time 1789612124.85 total 40.02 last 76.39)
 - open/close 3785 (time 1789612134.85 total 50.03 last 80.74)
 - open/close 4535 (time 1789612144.85 total 60.03 last 74.99)
 - open/close 5301 (time 1789612154.87 total 70.04 last 76.51)
 - open/close 6065 (time 1789612164.87 total 80.05 last 76.35)
 - open/close 6852 (time 1789612174.88 total 90.06 last 78.61)
 - open/close 7577 (time 1789612184.89 total 100.06 last 72.49)
total: 8000 open/close in 105.68 seconds: 75.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 176 seconds
lru_size = 400
 - unlinked 0 (time 1789612376 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 727 (time 1789612501.78 total 10.01 last 72.65)
 - open/close 1477 (time 1789612511.79 total 20.01 last 74.97)
 - open/close 2207 (time 1789612521.79 total 30.02 last 72.97)
 - open/close 2949 (time 1789612531.79 total 40.02 last 74.19)
 - open/close 3641 (time 1789612541.80 total 50.03 last 69.13)
 - open/close 4421 (time 1789612551.82 total 60.04 last 77.87)
 - open/close 5145 (time 1789612561.82 total 70.05 last 72.37)
 - open/close 5919 (time 1789612571.82 total 80.05 last 77.40)
 - open/close 6725 (time 1789612581.83 total 90.06 last 80.54)
 - open/close 7527 (time 1789612591.84 total 100.06 last 80.16)
total: 8000 open/close in 105.85 seconds: 75.58 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1789612703 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second