== sanity test 124b: lru resize (performance test) ================================================================================= 01:18:49 (1789276729)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 727 (time 1789276743.68 total 10.01 last 72.65)
 - open/close 1565 (time 1789276753.68 total 20.01 last 83.74)
 - open/close 2360 (time 1789276763.69 total 30.02 last 79.48)
 - open/close 3144 (time 1789276773.70 total 40.03 last 78.32)
 - open/close 3886 (time 1789276783.71 total 50.04 last 74.14)
 - open/close 4638 (time 1789276793.72 total 60.05 last 75.11)
 - open/close 5418 (time 1789276803.73 total 70.06 last 77.87)
 - open/close 6281 (time 1789276813.74 total 80.07 last 86.26)
 - open/close 7094 (time 1789276823.75 total 90.08 last 81.24)
 - open/close 7839 (time 1789276833.75 total 100.08 last 74.46)
total: 8000 open/close in 102.10 seconds: 78.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
 - unlinked 0 (time 1789277004 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 749 (time 1789277126.12 total 10.02 last 74.77)
 - open/close 1443 (time 1789277136.13 total 20.03 last 69.30)
 - open/close 2264 (time 1789277146.13 total 30.03 last 82.08)
 - open/close 3054 (time 1789277156.15 total 40.05 last 78.89)
 - open/close 3742 (time 1789277166.15 total 50.05 last 68.77)
 - open/close 4549 (time 1789277176.16 total 60.06 last 80.64)
 - open/close 5371 (time 1789277186.16 total 70.06 last 82.16)
 - open/close 6154 (time 1789277196.17 total 80.07 last 78.23)
 - open/close 6956 (time 1789277206.18 total 90.08 last 80.10)
 - open/close 7798 (time 1789277216.18 total 100.09 last 84.19)
total: 8000 open/close in 102.40 seconds: 78.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1789277321 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second