hadoop-project/src/site/markdown/index.md.vm

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Apache Hadoop ${project.version}
================================

Apache Hadoop ${project.version} is a minor release in the 2.x.y release
line, building upon the previous stable release 2.8.2.

Here is a short overview of the major features and improvements.

*   HDFS

    *   HDFS Router based federation. See the
        [user documentation](./hadoop-project-dist/hadoop-hdfs/HDFSRouterFederation.html)
        for more details.

*   YARN

    *   YARN Timeline Service v.2. See the
        [user documentation](./hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html)
        for more details.

    *   YARN Federation. See the
        [user documentation](./hadoop-yarn/hadoop-yarn-site/Federation.html)
        for more details.

    *   Opportunistic Containers. See the
        [user documentation](./hadoop-yarn/hadoop-yarn-site/OpportunisticContainers.html)
        for more details.

    *   YARN Web UI v.2. See the
        [user documentation](./hadoop-yarn/hadoop-yarn-site/YarnUI2.html)
        for more details. 

    *   Capacity Scheduler - Changing queue configuration via API. See the
        [user documentation](./hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html)
        under the **Changing Queue Configuration** section for more details. 

    *   Capacity Scheduler - Update Resources and Execution Type of an 
        allocated/running container. See the
        [user documentation](./hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html)
        under the **Updating a Container** section for more details.


Getting Started
===============

The Hadoop documentation includes the information you need to get started using
Hadoop. Begin with the
[Single Node Setup](./hadoop-project-dist/hadoop-common/SingleCluster.html) which
shows you how to set up a single-node Hadoop installation. Then move on to the
[Cluster Setup](./hadoop-project-dist/hadoop-common/ClusterSetup.html) to learn how
to set up a multi-node Hadoop installation.