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http://jira.codehaus.org/browse/MNG-2837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_88070
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John Casey commented on MNG-2837:
---------------------------------

I've removed caching from the project builder. However, project-instance 
caching is necessary for proper reactor functionality, so it's not possible to 
get a truly cache-less baseline like you're describing. What we have now is 
very close to a baseline for the project builder, I think.

BTW, the project cache is now tied to the current thread and its children via 
InheritableThreadLocal, so the cache should be garbage collected when the build 
completes.

> Remove all caching from the ProjectBuilder
> ------------------------------------------
>
>                 Key: MNG-2837
>                 URL: http://jira.codehaus.org/browse/MNG-2837
>             Project: Maven 2
>          Issue Type: Task
>    Affects Versions: 2.1-alpha-1
>            Reporter: Jason van Zyl
>             Fix For: 2.1-alpha-1
>
>
> All the caching should be removed so that we can accurate measure the 
> performance prior to optimization and place the caching where it belongs. The 
> ProjectBuilder should only build projects and that's it.

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