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https://issues.apache.org/jira/browse/GERONIMO-6114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13176511#comment-13176511
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Forrest Xia commented on GERONIMO-6114:
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Hi Kevan,
Can you review this jira and see if it is still valid improvement direction on
server startup time aspect? thanks!
Forrest
> Avoid ServiceLoader lookup during OpenWebBeansInitializer
> ---------------------------------------------------------
>
> Key: GERONIMO-6114
> URL: https://issues.apache.org/jira/browse/GERONIMO-6114
> Project: Geronimo
> Issue Type: Sub-task
> Security Level: public(Regular issues)
> Affects Versions: 3.0
> Reporter: Kevan Miller
> Fix For: 3.0
>
> Attachments: getWiredBundle.png
>
>
> OpenWebBeans initialization can represent a major portion of a Geronimo
> server's startup time. I've seen it take nearly 1/4 of a server's startup
> time. Nearly all of this time is caused because OpenWebBeans is using
> ServiceLoader.load().
> A search of wired bundles shouldn't be necessary (and we should avoid, if
> possible). We should be able to replace OpenWebBeans
> DefaultImplementationLoaderService with our own LoaderService implementation.
> This LoaderService implementation could in turn avoid the use of XBean's
> BundleClassLoader (BundleClassLoader.getResource() is what drives the
> getWiredBundle() processing).
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