Marcel Offermans created ACE-322:
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             Summary: Review and profile the Vaadin UI
                 Key: ACE-322
                 URL: https://issues.apache.org/jira/browse/ACE-322
             Project: ACE
          Issue Type: Improvement
          Components: UI
            Reporter: Marcel Offermans


Currently, our Vaadin UI isn't the fastest one around. It noticeably slows down 
when you have lots of entities. I don't think this is a problem with Vaadin 
itself, but rather the way we use it (since nobody on the team had significant 
experience with it when we started). We should review and profile this code to 
see if we can improve it. Some areas to look into:

a) The fact that our changes are often asynchronous and the consequence, having 
to use a timer to constantly refresh the UI.
b) The way we handle selections and associations (I have a feeling we're doing 
too much work there).

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