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https://issues.apache.org/jira/browse/WW-4790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15986785#comment-15986785
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Tam Nguyen commented on WW-4790:
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with the two additional flags being set :
struts.freemarker.templatesCache
struts.freemarker.templatesCache.updateDelay
it seems the performance went down so we're just going to stick with
struts.ognl.enableExpressionCach = true
This seems to help a lot, so thanks for confirming that we need this on. We
will do a stress test soon and see how it's compare with our baseline. My
biggest question still remain opened is why are we getting more garbage
collection since we upgrade to 2.5.10.1 ?
Thanks
Tam
> struts 2.5.10.1 upgrade cause more frequent garbage collection
> ---------------------------------------------------------------
>
> Key: WW-4790
> URL: https://issues.apache.org/jira/browse/WW-4790
> Project: Struts 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.5.10
> Environment: production
> tomcat 7.0.59
> Reporter: Tam Nguyen
> Fix For: 2.5.next
>
>
> since we upgraded our struts version from 2.1.18 to 2.5.10.1, our app has
> been doing a lot of garbage collection, CPU are up more 30%-40%. We have 2
> application that yield same results after the upgrade. Stress test has almost
> double the time in performance. these are the tech stack of our apps.
> struts 2.5.10.1
> spring 3.29
> tiles 3
> any insight would be helpful.
> Thank you
> Tam
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