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<h1>release 0.23.1 available</h1>
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<p>This is the second alpha version of the hadoop-0.23 major release after
the first alpha 0.23.0. This release has significant improvements
compared to 0.23.0 but should still be considered as alpha-quality and
not for production use.</p>
<p>hadoop-0.23.1 contains several major advances from 0.23.0:</p>
<ul>
<li>Lots of bug fixes and improvements in both HDFS and MapReduce</li>
<li>Major performance work to make this release either match or exceed
performance of Hadoop-1 in most aspects of both HDFS and MapReduce.</li>
<li>Several downstream projects like HBase, Pig, Oozie, Hive etc. are
better integrated with this release</li>
</ul>
<p>See the <a href="https://hadoop.apache.org/docs/r0.23.1/hadoop-project-dist/hadoop-common/releasenotes.html">Hadoop 0.23.1 Release
Notes</a>
for details.</p>
<small>2012 Feb 27 </small>
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