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From "Benjamin Bentmann (JIRA)" <j...@codehaus.org>
Subject [jira] Commented: (MNG-4062) Evaluate possibility to cache parents during multi module build
Date Tue, 03 Mar 2009 17:31:12 GMT

    [ http://jira.codehaus.org/browse/MNG-4062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=167753#action_167753
] 

Benjamin Bentmann commented on MNG-4062:
----------------------------------------

Of course, caching parents in general, i.e. parents of plugins or dependencies, should in
general reduce project builder overhead.

> Evaluate possibility to cache parents during multi module build
> ---------------------------------------------------------------
>
>                 Key: MNG-4062
>                 URL: http://jira.codehaus.org/browse/MNG-4062
>             Project: Maven 2
>          Issue Type: Task
>          Components: Performance
>    Affects Versions: 3.0-alpha-3
>            Reporter: Benjamin Bentmann
>            Priority: Minor
>
> From a breakpoint in {{DefaultMavenProjectBuilder.build(File, ProjectBuilderConfiguration)}}
it seems that the parent of a multi-module project is rebuild for each child in the reactor.
Given the likelihood of the modules in the reactor having the same parent, it could be a good
opportunity for optimization to cache the parents (or projects in general).

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