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| <h1>Release 2.0.3-alpha available</h1> |
| <!--- |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
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| http://www.apache.org/licenses/LICENSE-2.0 |
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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, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. See accompanying LICENSE file. |
| --> |
| <p>This is the latest (alpha) version in the hadoop-2.x series.</p> |
| <p>This release delivers significant major features and stability over |
| previous releases in hadoop-2.x series:</p> |
| <ul> |
| <li>QJM for HDFS HA for NameNode</li> |
| <li>Multi-resource scheduling (CPU and memory) for YARN</li> |
| <li>YARN ResourceManager Restart</li> |
| <li>Significant stability at scale for YARN (over 30,000 nodes and 14 |
| million applications so far, at time of release)</li> |
| </ul> |
| <p>This release, like previous releases in hadoop-2.x series is still |
| considered <em>alpha</em> primarily since some of APIs aren’t fully-baked and |
| we expect some churn in future. Furthermore, please note that there are |
| some API changes from previous hadoop-2.0.2-alpha release and |
| applications will need to recompile against hadoop-2.0.3-alpha.</p> |
| <p>Please see the <a href="https://hadoop.apache.org/docs/r2.0.3-alpha/hadoop-project-dist/hadoop-common/releasenotes.html">Hadoop 2.0.3-alpha Release |
| Notes</a> |
| for details.</p> |
| |
| <small>2013 Feb 14 </small> |
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