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<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V2.0//EN" "http://forrest.apache.org/dtd/document-v20.dtd">
<document>
<header>
<title>Overview</title>
</header>
<body>
<section>
<title>Getting Started</title>
<p>The Hadoop documentation includes the information you need to get started using Hadoop.
Begin with the <a href="single_node_setup.html">Single Node Setup</a> which shows you how to set up a single-node Hadoop installation.
Then move on to the <a href="cluster_setup.html">Cluster Setup</a> to learn how to set up a multi-node Hadoop installation.
</p>
</section>
<section>
<title>MapReduce</title>
<p>
The Hadoop MapReduce Documentation provides the information you need to get started writing MapReduce applications.
Begin with the <a href="mapred_tutorial.html">MapReduce Tutorial</a> which shows you how to write MapReduce applications using Java.
To write MapReduce applications in languages other than Java see <a href="streaming.html">Hadoop Streaming</a>, a utility that allows you to create
and run jobs with any executable as the mapper or reducer.
</p>
</section>
<section>
<title>HDFS</title>
<p>
The HDFS Documentation provides the information you need to get started using the Hadoop Distributed File System.
Begin with the <a href="hdfs_user_guide.html">HDFS Users Guide</a> to obtain an overview of the system and then
move on to the <a href="hdfs_design.html">HDFS Architecture Guide</a> for more detailed information.
</p>
</section>
<section>
<title>Common</title>
<p>
The Common Documentation describes the common utilities and libraries that support the other Hadoop subprojects.
</p>
<p>
If you have more questions about Hadoop, you can ask on the <a href="ext:lists">Mailing Lists</a> or browse the <a href="ext:archive">Mailing List Archives</a>.
</p>
</section>
</body>
</document>