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http://jira.nuxeo.org/browse/NXP-2773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thierry Delprat updated NXP-2773:
---------------------------------
Attachment: TestActionCache.java
ThreadSafeJexlExpression.java
CachedJEXLManager.java
> Optimize Action System
> ----------------------
>
> Key: NXP-2773
> URL: http://jira.nuxeo.org/browse/NXP-2773
> Project: Nuxeo Enterprise Platform
> Issue Type: Improvement
> Reporter: Thierry Delprat
> Assignee: Thierry Delprat
> Fix For: 5.2 M3
>
> Attachments: CachedJEXLManager.java, NXP-2773.diff,
> TestActionCache.java, ThreadSafeJexlExpression.java
>
>
> When profiling JSF WebApp a lot of time is spent in the action system.
> This makes sens since actions are used a lot during page construction.
> But the profiler shows that we spend most of the time creating el expressions
> rather than evaluating them.
> The ratio is really significant 85% of the time is spent in el expression
> creation.parsing.
> The apache el doc does not say is el expression is threadsafe or not : by
> default, I assume they are not.
> See an attached "patch" for that.
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