Resently I noticed some performance issues with my request factory 
application. I did some research and some debugging, but could not find any 
flaws in my application.

Then I created a simple test application to compare the performance of GWT 
and request factory to be sure I have a very simple application and no 
other components that could have an influence on the performance. And this 
test application shows same result: Data retrieval via request factory 
seems to much slower than RPC. The retrieval of 100 very simple objects 
takes with RPC ~200ms, with request factory ~700ms (Locally the difference 
is even much bigger).

I uploaded the code to github: 
https://github.com/jan10101/requstFactoryVSRPC

And deployed the application to app engine so it can be testet: 
http://requestfactorytest.appspot.com/

I also experimented with several approaches to increase the performance 
like overriding "ServiceLayerDecorator.isLive()" but could not archieve 
ansignificant improvement.

Is the performance of request factory a known issue? Am I the first one 
noticing this? Is there a way to improve the performance? Or du I just need 
to use RPC to get the best performance?

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