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<li class="toplevel"><a href="#210-incubating_release_notes" title="2.1.0-incubating Release Notes">2.1.0-incubating Release Notes</a></li>
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<h1 id="210-incubating_release_notes">2.1.0-incubating Release Notes</h1>
<p>This is the third release of the Apache Trafodion (incubating) project.</p>
<p>Build instructions are available in the <a class="externalLink" href="https://cwiki.apache.org/confluence/display/TRAFODION/Create+Build+Environment">Trafodion Contributor Guide</a>.</p>
<div class="section">
<h2 id="New_Features">New Features</h2>
<p><span> </span></p>
<table border="0" class="bodyTable table table-striped table-hover">
<thead>
<tr class="a">
<th>Feature</th>
<th>Jira ID</th>
</tr>
</thead>
<tbody>
<tr class="b">
<td>Hashing functions added to Trafodion</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2229">TRAFODION-2229</a></td>
</tr>
<tr class="a">
<td>Support for Hbase1.1 and CDH5.5-5.7</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2016">TRAFODION-2016</a></td>
</tr>
<tr class="b">
<td>Better java exception handling in the java layer of Trafodion</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-1988">TRAFODION-1988</a></td>
</tr>
<tr class="a">
<td>TopN Sort operator</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2259">TRAFODION-2259</a></td>
</tr>
<tr class="b">
<td>Runtime statistics enhancements</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2420">TRAFODION-2420</a></td>
</tr>
<tr class="a">
<td>RegExp operator support</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2353">TRAFODION-2353</a></td>
</tr>
<tr class="b">
<td>Support for LAG and LEAD OLAP functions</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2214">TRAFODION-2214</a></td>
</tr>
<tr class="a">
<td>Bulk load enhancements to log errors</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2351">TRAFODION-2351</a></td>
</tr>
<tr class="b">
<td>ODB tool support for Windows</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-1931">TRAFODION-1931</a></td>
</tr>
<tr class="a">
<td>Support for GROUP BY ROLLUP feature</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2246">TRAFODION-2246</a></td>
</tr>
<tr class="b">
<td>Support ORDER BY clause in GROUP_CONCAT</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2270">TRAFODION-2270</a></td>
</tr>
<tr class="a">
<td>Support for boolean datatype</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2099">TRAFODION-2099</a></td>
</tr>
<tr class="b">
<td>Added encryption functions for Trafodion</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2228">TRAFODION-2228</a></td>
</tr>
<tr class="a">
<td>Support of SQL extension ‘EXCEPT’</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2117">TRAFODION-2117</a></td>
</tr>
<tr class="b">
<td>Support for tinyint,largeint,unsinged datatype in SQL</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2086">TRAFODION-2086</a></td>
</tr>
<tr class="a">
<td>SQL syntax to support INTERSECT</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2047">TRAFODION-2047</a></td>
</tr>
<tr class="b">
<td>Enable support for various non-ansi sql syntax/functionality</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2180">TRAFODION-2180</a></td>
</tr>
<tr class="a">
<td>Use of CQD to set scratch directory locations</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION2146">TRAFODION2146</a></td>
</tr>
</tbody>
</table>
</div>
<div class="section">
<h2 id="Improvements">Improvements</h2>
<p><span> </span></p>
<table border="0" class="bodyTable table table-striped table-hover">
<thead>
<tr class="a">
<th>Feature</th>
<th>Jira ID</th>
</tr>
</thead>
<tbody>
<tr class="b">
<td>Improve query compilation time</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2137">TRAFODION-2137</a></td>
</tr>
<tr class="a">
<td>Improve upsert performance for table with indexes</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-1546">TRAFODION-1546</a></td>
</tr>
<tr class="b">
<td>Improve concurrency during DDL operations</td>
<td><a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2037">TRAFODION-2037</a></td>
</tr>
</tbody>
</table>
</div>
<div class="section">
<h2 id="Install_and_Configuration_Changes">Install and Configuration Changes</h2>
<ul>
<li>Ambari Integration (<a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2291">TRAFODION-2291</a>)<br /> Integration with Ambari cluster manager ambari interface/integration. The Ambari integration provides support for Hortonworks Hadoop distributions, while the command-line Trafodion Installer supports Cloudera and Hortonworks Hadoop distributions, and for select vanilla Hadoop installations.</li>
<li>Python Installer (<a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-1839">TRAFODION-1839</a>)<br /> Trafodion Installer Evolution. The command-line installer has been replaced for the 2.1.0 release. Written in python, it replaces the legacy bash-script installer. The bash command-line installer is deprecated as of 2.1.0, but is still provided, just in case you experience any problems with the new installer. If so, please report those problems to the project team, since the legacy installer will soon be obsolete.</li>
<li>Trafodion Configuration File (<a class="externalLink" href="https://issues.apache.org/jira/browse/TRAFODION-2306">TRAFODION-2306</a>)<br /> Introducing a configuration file traf-site.xml specific to Trafodion similar to hbase configuration file hbase-site.xml. This configuration file extends the properties inherited from the standard hbase-site.xml.</li>
<li>The environment variable MY_SQROOT has been renamed to TRAF_HOME.</li>
</ul>
</div>
<div class="section">
<h2 id="Fixes">Fixes</h2>
<p>This release contains fixes for 300+ JIRAs. Here is a <a class="externalLink" href="https://issues.apache.org/jira/issues/?jql=project%20%3D%20%22Apache%20Trafodion%22%20and%20fixVersion%20%3D%202.1-incubating%20order%20by%20updated%20desc">list of resolved JIRAs in Release 2.1</a>.</p>
</div>
<div class="section">
<h2 id="Documentation_Updates">Documentation Updates</h2>
<p>Several updates have been made to the SQL Reference Manual to reflect the new functions added in 2.1. Some functions have not been documented yet but have JIRAs outstanding and will be completed by the next release. Provisioning Guide has been updated to reflect instructions for using hte new Ambari Installer or the python installation script. </p>
</div>
<div class="section">
<h2 id="Supported_Platforms">Supported Platforms</h2>
<p><span> </span></p>
<table border="0" class="bodyTable table table-striped table-hover">
<tbody>
<tr class="a">
<td><b>Operating Systems</b></td>
<td>RedHat / CentOS 6.5 – 6.8</td>
</tr>
<tr class="b">
<td><b>Hadoop Distributions</b></td>
<td>Cloudera distributions CDH 5.4 – 5.6<br /> Hortonworks distributions HDP 2.3 – 2.4<br /> Apache Hadoop with Apache HBase 1.0 – 1.1</td>
</tr>
<tr class="a">
<td><b>Java Version</b></td>
<td>JDK 1.7.0_67 or newer</td>
</tr>
</tbody>
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<a href="https://cwiki.apache.org/confluence/display/TRAFODION/Trafodion+Manageability#TrafodionManageability-LoggingEvents" title="Event Handling" class="externalLink">Event Handling</a>
</li>
<li >
<a href="https://blueprints.launchpad.net/trafodion/+spec/hybrid-query-cache" title="Hybrid Query Cache" class="externalLink">Hybrid Query Cache</a>
</li>
<li >
<a href="https://blueprints.launchpad.net/trafodion/+spec/identity-column" title="Identity Column" class="externalLink">Identity Column</a>
</li>
<li >
<a href="https://blueprints.launchpad.net/trafodion/+spec/lob-support" title="Large Object (LOB)" class="externalLink">Large Object (LOB)</a>
</li>
<li >
<a href="https://blueprints.launchpad.net/trafodion/+spec/ddl-query-invalidation" title="Metadata Query Invalidation" class="externalLink">Metadata Query Invalidation</a>
</li>
<li >
<a href="https://cwiki.apache.org/confluence/display/TRAFODION/Cmp-divisioning" title="Multi-Temperature Data" class="externalLink">Multi-Temperature Data</a>
</li>
<li >
<a href="https://blueprints.launchpad.net/trafodion/+spec/access-external-hbase-tables" title="Native HBase Tables" class="externalLink">Native HBase Tables</a>
</li>
<li >
<a href="https://cwiki.apache.org/confluence/display/TRAFODION/Tutorial:+The+object-oriented+UDF+interface" title="Object-Oriented UDF Tutorial" class="externalLink">Object-Oriented UDF Tutorial</a>
</li>
<li >
<a href="https://blueprints.launchpad.net/trafodion/+spec/sql-query-cancel" title="Query Cancel" class="externalLink">Query Cancel</a>
</li>
<li >
<a href="https://blueprints.launchpad.net/trafodion/+spec/security-privilege-updates" title="Privilege Checking" class="externalLink">Privilege Checking</a>
</li>
<li >
<a href="https://cwiki.apache.org/confluence/display/TRAFODION/Trafodion+Manageability" title="Repository" class="externalLink">Repository</a>
</li>
<li >
<a href="https://blueprints.launchpad.net/trafodion/+spec/enable-get-statistics-thru-rms" title="Runtime Management System" class="externalLink">Runtime Management System</a>
</li>
<li >
<a href="https://blueprints.launchpad.net/trafodion/+spec/sequence-numbers" title="Sequence Numbers" class="externalLink">Sequence Numbers</a>
</li>
<li >
<a href="https://blueprints.launchpad.net/trafodion/+spec/skew-buster" title="Skew Buster" class="externalLink">Skew Buster</a>
</li>
<li >
<a href="http:divider" title=""></a>
</li>
<li >
<a href="https://cwiki.apache.org/confluence/display/TRAFODION/Backup+and+Restore" title="Backup/Restore Utility" class="externalLink">Backup/Restore Utility</a>
</li>
<li >
<a href="https://cwiki.apache.org/confluence/display/TRAFODION/Metadata+Cleanup" title="Metadata Cleanup Utility" class="externalLink">Metadata Cleanup Utility</a>
</li>
</ul>
</div>
<div class="span4 bottom-description">
<blockquote><a href="http://trafodion.apache.org/">Apache Trafodion</a> is a webscale SQL-on-Hadoop solution enabling transactional or operational
workloads on Hadoop. <br /><br />The name &quot;Trafodion&quot; (the Welsh word for transactions, pronounced
&quot;Tra-vod-eee-on&quot;) was chosen specifically to emphasize the differentiation that
Trafodion provides in closing a critical gap in the Hadoop ecosystem.<br /><br />
Trafodion builds on the scalability, elasticity, and flexibility of Hadoop. Trafodion extends
Hadoop to provide guaranteed transactional integrity, enabling new kinds of big data
applications to run on Hadoop.</blockquote>
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