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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9902) Shell script rewrite
Date Thu, 07 Aug 2014 15:44:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14089353#comment-14089353

Allen Wittenauer commented on HADOOP-9902:

I had a discussion with [~andrew.wang] last night around this patch.  As part of that discussion,
two points came to light that I think are important for everyone to understand:

* Yes, testing this patch on a single node is valuable.  I'd even argue its more valuable
than testing at scale because now multiple daemons are exercising the code on a single machine
which should show any conflicts.  Testing on more than one node, where the nodes are configured
the same, is basically exercising the ssh code.... and that's about it.

* Even if you aren't comfortable with shell, your testing is still extremely valuable.  Take
your existing *-env.sh files, pop them in, and see what works and what doesn't work.  Ideally,
everything works without changes.  If they don't work, check the incompat list above.  If
it isn't listed, please add a note here so I can see if this is a bug in the code or if it
is something missing from the release notes.


> Shell script rewrite
> --------------------
>                 Key: HADOOP-9902
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9902
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: scripts
>    Affects Versions: 3.0.0
>            Reporter: Allen Wittenauer
>            Assignee: Allen Wittenauer
>              Labels: releasenotes
>         Attachments: HADOOP-9902-10.patch, HADOOP-9902-11.patch, HADOOP-9902-12.patch,
HADOOP-9902-13-branch-2.patch, HADOOP-9902-13.patch, HADOOP-9902-2.patch, HADOOP-9902-3.patch,
HADOOP-9902-4.patch, HADOOP-9902-5.patch, HADOOP-9902-6.patch, HADOOP-9902-7.patch, HADOOP-9902-8.patch,
HADOOP-9902-9.patch, HADOOP-9902.patch, HADOOP-9902.txt, hadoop-9902-1.patch, more-info.txt
> Umbrella JIRA for shell script rewrite.  See more-info.txt for more details.

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