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https://issues.apache.org/jira/browse/MRRESOURCES-106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16626930#comment-16626930
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Thomas Mortagne commented on MRRESOURCES-106:
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>From what I remember most of the MavenProject size is located in Model so not
>sure it will make a huge difference.
> ProcessRemoteResourcesMojo#getProjects() can end up consuming a lot of memory
> for big projects
> ----------------------------------------------------------------------------------------------
>
> Key: MRRESOURCES-106
> URL: https://issues.apache.org/jira/browse/MRRESOURCES-106
> Project: Maven Remote Resources Plugin
> Issue Type: Bug
> Affects Versions: 1.5
> Reporter: Thomas Mortagne
> Assignee: Hervé Boutemy
> Priority: Major
>
> At XWiki we are using the remote resource plugin to generate a NOTICE files
> we put in the META-INF of all jars. The file can be found on
> https://github.com/xwiki/xwiki-commons/blob/master/xwiki-commons-tools/xwiki-commons-tool-license-resources/src/main/resources/META-INF/NOTICE.vm.
> We have a lot of memory issues and we kept increasing the max memory but it
> was starting to be a bit insane (we now get a OOM with -Xmx2500m) so I
> finally took a profiler to try to figure out where all this memory goes.
> We did noticed for a while that remote resource plugin is taking longer and
> longer to execute during the build so I had my doubts already.
> What Yourkit is telling me is that almost half of the memory (400MB here
> because I reduced the max memory for it to fail earlier) is retained by an
> ArrayList of MavenProject instances located in
> ProcessRemoteResourcesMojo#getProjects().
> It can be reproduced by building https://github.com/xwiki/xwiki-platform (you
> will need to add some repositories in your settings.xml, you can find them on
> http://dev.xwiki.org/xwiki/bin/view/Community/Building/#HInstallingMaven).
> Also I can probably put the memory dump I have somewhere if someone wants to
> download it.
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