OK, looking at the Hadoop branches: http://svn.apache.org/viewvc/hadoop/common/branches/ and tags: http://svn.apache.org/viewvc/hadoop/common/tags/, it's thankfully not that bad. There is no 0.24 in Hadoop, and the Maven pom files for the 2.0.2-alpha branch indeed say 2.0.2-alpha. The Cloudera article linked to below mentions 0.24, but it's from 2011 and may have been at a time before the Hadoop team decided to relabel to 2.0 instead. Looking at this again: http://hadoop.apache.org/docs/r2.0.2-alpha/hadoop-yarn/hadoop-yarn-site/SingleCluster.html, it appears to provide workable instructions, I'll try again with it. Thanks for your assistance.

Glen

On 01/04/2013 11:17 AM, Chen He wrote:
Hi Glen

I agree with you. There are many versions and confusing. If you really want to know, you can check the developing and publishing documents. In 0.23's document, they must announced how many patches are included, as well as the 2.0.x.

Then you will exactly understand which one is which one.

Chen

On Fri, Jan 4, 2013 at 6:58 AM, Glen Mazza <gma...@talend.com <mailto:gma...@talend.com>> wrote:

    Thanks for your response.  That's pretty vital information--I'm
    not used to separate development/publication versions.  Is the
    0.23-->2.0.2 renumbering stated anywhere on the Hadoop website or
    wiki?  It's very confusing as people otherwise think there are
    three separate branches -- 0.2x.y, 1.x, and 2.x when there are
    really just two.

    Also the releases page: http://hadoop.apache.org/releases.html
    mentions *both* 0.23.x and 2.0.2 releases -- wouldn't the former
    be numbered as the latter, if as you're saying, 0.23 is published
    as 2.0.x?

    Thanks,
    Glen


    On 01/04/2013 07:02 AM, Chen He wrote:
    0.24 is the developing version, 2.0.2 is the publication version.

    0.23 or above is published as 2.0.x

    On Fri, Jan 4, 2013 at 5:45 AM, Glen Mazza <gma...@talend.com
    <mailto:gma...@talend.com>> wrote:

        Actually, those instructions are for Hadoop 0.24, not
        2.0.2-alpha.

        Glen


        On 11/30/2012 03:40 PM, Cristian Cira wrote:

            Dear Glen,

            try
            http://blog.cloudera.com/blog/2011/11/building-and-deploying-mr2/

            Cristian Cira
            Graduate Research Assistant
            Parallel Architecture and System Laboratory(PASL)
            Shelby Center 2105
            Auburn University, AL 36849

            ________________________________________
            From: Glen Mazza [gma...@talend.com
            <mailto:gma...@talend.com>]
            Sent: Friday, November 30, 2012 2:37 PM
            To: user@hadoop.apache.org <mailto:user@hadoop.apache.org>
            Subject: Instructions on how to run Apache Hadoop
            2.0.2-alpha?

            Hi, I was able to run Hadoop 1.0.4 single-node with no
            difficulty following these instructions:
            http://hadoop.apache.org/docs/stable/single_node_setup.html .

            The corresponding page that we're referred to at the
            bottom of here: http://hadoop.apache.org/docs/current/
            for Hadoop 2.0.2 is radically different, however, it
            doesn't seem to have anything to do with starting Hadoop:
            
http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/SingleCluster.html
            .  Is it because I'm looking at the wrong page or is it
            that Hadoop 2.0.2 is really so different that the
            instructions have radically changed?  Is there anything
            similar to
            http://hadoop.apache.org/docs/stable/single_node_setup.html
            that will show me how to run Hadoop 2.0.2?

            Thanks,
            Glen

            --
            Glen Mazza
            Talend Community Coders - coders.talend.com
            <http://coders.talend.com>
            blog: www.jroller.com/gmazza
            <http://www.jroller.com/gmazza><http://www.jroller.com/gmazza>




-- Glen Mazza
        Talend Community Coders - coders.talend.com
        <http://coders.talend.com>
        blog: www.jroller.com/gmazza <http://www.jroller.com/gmazza>




-- Glen Mazza
    Talend Community Coders -coders.talend.com  <http://coders.talend.com>
    blog:www.jroller.com/gmazza  <http://www.jroller.com/gmazza>




--
Glen Mazza
Talend Community Coders - coders.talend.com
blog: www.jroller.com/gmazza

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