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