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https://issues.apache.org/jira/browse/FELIX-5665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16086114#comment-16086114
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AnilKumar Attuluri commented on FELIX-5665:
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[~cziegeler]
I would appreciate your help on this. Thanks.
Please let me know if you need more details.
> High CPU usage on
> org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation
> ---------------------------------------------------------------------------------------------
>
> Key: FELIX-5665
> URL: https://issues.apache.org/jira/browse/FELIX-5665
> Project: Felix
> Issue Type: Bug
> Affects Versions: framework-5.6.4
> Reporter: AnilKumar Attuluri
> Attachments: IMG_1.jpg, IMG_2.jpg
>
>
> We have been running some performance tests to prepare our OSGi bundle
> (*running in Apache Karaf*) for production.
> Just to give some background about our OSGi bundle, we converted an existing
> Spring application into an OSGi bundle with all the current dependencies
> packaged into the bundle as an uber artifact.
> When we run >= 500 TPS (each of these calls results in a http call made via a
> library) we run into this high CPU usage spikes reaching up to 100% CPU.
> Please see the image attached, the spikes in the image are 100% CPU usage
> while the average is about 40%. Also see the CPU sampler image which points
> to
> *org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation*
> Is there an existing bug/documentation that already captures this?
> We don't see this behavior when we run the same app in standalone JVM.
>
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