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https://issues.apache.org/jira/browse/TAPESTRY-2635?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Schulte reassigned TAPESTRY-2635:
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Assignee: Marcus Schulte
> possible ognl cache problem
> ---------------------------
>
> Key: TAPESTRY-2635
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2635
> Project: Tapestry
> Issue Type: Bug
> Affects Versions: 4.1.5
> Environment: linux fedora 4, jDK 1.6_05, Tomcat 6.0.13, Ognl 2.7.2
> Reporter: denis queffeulou
> Assignee: Marcus Schulte
>
> I'm making some profiling on an web app made with Tapestry 4.1.5 which
> returns XML.
> In JProfiler, I found that OGNL expressions compilation uses 40% of
> processing time.
> As the JMeter script is requesting always the same page on the webapp, I'm
> wondering why the expressions are always compiled. The cache seems not to be
> used:
> 31896 invocations on ExpressionCache.getCompiledExpression
> 31140 invocations on Ognl.compileExpression
> Another test with 5 pages after 2 hours:
> 34,2% 90528 invocations on ExpressionCache.getCompiledExpression
> 25,4% 90300 invocations on Ognl.compileExpression
> My WAR is a big application, I can't put it here.
> To reproduce, a single page with OGNL should be sufficent.
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