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From "Tom White (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3839) Improve the single node setup docs for MR
Date Thu, 09 Feb 2012 23:36:05 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205044#comment-13205044

Tom White commented on MAPREDUCE-3839:

> The "Create Symlinks" part is curious.

There's no longer a need to create symlinks (since HADOOP-7642), so that entire section can
be removed.
> Improve the single node setup docs for MR
> -----------------------------------------
>                 Key: MAPREDUCE-3839
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3839
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: documentation
>    Affects Versions: 0.23.1
>            Reporter: Harsh J
>            Priority: Trivial
> I'm gonna be recording all nits I can about the page at http://hadoop.apache.org/common/docs/r0.23.0/hadoop-yarn/hadoop-yarn-site/SingleCluster.html
> * The section at http://hadoop.apache.org/common/docs/r0.23.0/hadoop-yarn/hadoop-yarn-site/SingleCluster.html#Mapreduce_Tarball
is suitable to developers, not users. We should instead just point to releases page for tarball.
> * On http://hadoop.apache.org/common/docs/r0.23.0/hadoop-yarn/hadoop-yarn-site/SingleCluster.html#Setting_up_the_environment
since the tarball structure is definite, we could do better to either point to a link to configure
HDFS and Common or provide instructions ourselves. Same applies to path the MR envs ought
to be set to -- none of these are mentioned.
> * Under http://hadoop.apache.org/common/docs/r0.23.0/hadoop-yarn/hadoop-yarn-site/SingleCluster.html#Setting_up_Configuration.
one of the "Add the following configs" text is defined as a heading, while other isn't.
> * The "Create Symlinks" and "Running daemons" sections do not appear in the index on
> * Remove the "Good luck." at the end -- Users shouldn't need luck to setup good stuff
> OT comment: The "Create Symlinks" part is curious. That we need symlinks to run MR looks
very wrong to me.

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