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https://issues.apache.org/jira/browse/HADOOP-11485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14308514#comment-14308514
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Allen Wittenauer commented on HADOOP-11485:
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I did see a couple minor (non-interface) things in the example file, which I'll
fix.
Thanks for the review. I'll fix those minor issues and rebase the patch.
On your two points, yeah, with this we're starting to approach a point where
need to probably formalize the shell code now. I've opened HADOOP-11553 to
start working on that.
> Pluggable shell integration
> ---------------------------
>
> Key: HADOOP-11485
> URL: https://issues.apache.org/jira/browse/HADOOP-11485
> Project: Hadoop Common
> Issue Type: New Feature
> Components: scripts
> Affects Versions: 3.0.0
> Reporter: Allen Wittenauer
> Assignee: Allen Wittenauer
> Labels: scripts, shell
> Attachments: HADOOP-11485-00.patch, HADOOP-11485-01.patch,
> HADOOP-11485-02.patch
>
>
> It would be useful to provide a way for core and non-core Hadoop components
> to plug into the shell infrastructure. This would allow us to pull the HDFS,
> MapReduce, and YARN shell functions out of hadoop-functions.sh.
> Additionally, it should let 3rd parties such as HBase influence things like
> classpaths at runtime.
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