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Posted to common-issues@hadoop.apache.org by "Roman Shaposhnik (JIRA)" <ji...@apache.org> on 2015/05/08 19:06:01 UTC

[jira] [Commented] (HADOOP-11393) Revert HADOOP_PREFIX, go back to HADOOP_HOME

    [ https://issues.apache.org/jira/browse/HADOOP-11393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14534939#comment-14534939 ] 

Roman Shaposhnik commented on HADOOP-11393:
-------------------------------------------

[~aw] first of all, I'm very much +1 on the idea of going back to HADOOP_HOME. I'm reviewing the patch right now. The question I have is this though: how do we advertise that the winter is coming? There's a suspicious lack of activity on this JIRA. Should we blast to a ML that this may be going in?

> Revert HADOOP_PREFIX, go back to HADOOP_HOME
> --------------------------------------------
>
>                 Key: HADOOP-11393
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11393
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 3.0.0
>            Reporter: Allen Wittenauer
>              Labels: BB2015-05-TBR
>         Attachments: HADOOP-11393-00.patch
>
>
> Today, Windows and parts of the Hadoop source code still use HADOOP_HOME.  The switch to HADOOP_PREFIX back in 0.21 or so didn't really accomplish what it was intended to do and only helped confuse the situation.
> _HOME is a much more standard suffix and is, in fact, used for everything in Hadoop except for the top level project home.  I think it would be beneficial to use HADOOP_HOME in the shell code as the Official(tm) variable, still honoring HADOOP_PREFIX if it is set.



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