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Posted to common-issues@hadoop.apache.org by "Jonathan Eagles (JIRA)" <ji...@apache.org> on 2012/06/27 18:30:45 UTC

[jira] [Commented] (HADOOP-8535) Cut hadoop build times in half (upgrade maven-compiler-plugin to 2.5.1)

    [ https://issues.apache.org/jira/browse/HADOOP-8535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13402333#comment-13402333 ] 

Jonathan Eagles commented on HADOOP-8535:
-----------------------------------------

I verified the build builds, installs, and runs using a simple wordcount test.
                
> Cut hadoop build times in half (upgrade maven-compiler-plugin to 2.5.1)
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-8535
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8535
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 0.23.3, 2.0.1-alpha
>            Reporter: Jonathan Eagles
>            Assignee: Jonathan Eagles
>         Attachments: HADOOP-8535.patch
>
>
> starting with 2.4.0 maven-compiler-plugin started caching the class loader for the javac compiler. This patch upgrades the compiler to 2.5.1. On my box, build times are reduced from 5 minutes to 2 minutes. 

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