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| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
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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. |
| |
| * Common |
| |
| * HADOOP Resource Estimator. See the |
| [user documentation](./hadoop-resourceestimator/ResourceEstimator.html) |
| for more details. |
| |
| * 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#Changing_queue_configuration_via_API) |
| for more details. |
| |
| * Update Resources and Execution Type of an |
| allocated/running container. See the |
| [user documentation](./hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html#Updating_a_Container_Experimental_-_API_may_change_in_the_future) |
| 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. |