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<option value="/news/2017/01/04/gopal-on-pmc/">ORC adds Gopal Vijayaraghavan to PMC</option>
<option value="/news/2016/12/15/new-committers/">ORC adds new committers</option>
<option value="/news/2016/12/12/ORC-1.2.3/">ORC 1.2.3 Released</option>
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<option value="/news/2016/06/28/file-format-talk/">File format benchmark</option>
<option value="/news/2016/06/13/ORC-1.1.1/">ORC 1.1.1 Released</option>
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<option value="/news/2016/01/25/ORC-1.0.0/">ORC 1.0.0 Released</option>
<option value="/news/2015/11/19/aliaksei-on-pmc/">ORC adds Aliaksei Sandryhaila to PMC</option>
<option value="/news/2015/06/26/new-logo/">ORC adopts new logo</option>
<option value="/news/2015/05/11/new-committers/">ORC adds 7 committers</option>
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<div class="unit four-fifths">
<article>
<h2>
ORC 1.5.5 Released
<a href="/news/2019/03/14/ORC-1.5.5/" class="permalink" title="Permalink"></a>
</h2>
<span class="post-category">
<span class="label">
release
</span>
</span>
<div class="post-meta">
<span class="post-date">
14 Mar 2019
</span>
<a href="https://people.apache.org/~omalley" class="post-author">
<img src="https://people.apache.org/~omalley/omalley.png"
class="avatar" alt="omalley avatar"
width="24" height="24">
omalley
</a>
</div>
<div class="post-content">
<p>The ORC team is excited to announce the release of ORC v1.5.5.</p>
<ul>
<li>Released: 14 March 2019</li>
<li>Source code: <a href="https://archive.apache.org/dist/orc/orc-1.5.5/orc-1.5.5.tar.gz">orc-1.5.5.tar.gz</a></li>
<li><a href="https://archive.apache.org/dist/orc/orc-1.5.5/orc-1.5.5.tar.gz.asc">GPG Signature</a>
signed by <a href="https://downloads.apache.org/orc/KEYS">Owen O’Malley (3D0C92B9)</a></li>
<li>Git tag: <a href="https://github.com/apache/orc/releases/tag/rel/release-1.5.5">rel/release-1.5.5</a></li>
<li>Maven Central: <a href="https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22org.apache.orc%22%20AND%20v%3A%221.5.5%22">ORC 1.5.5</a></li>
<li>SHA 256: <a href="https://archive.apache.org/dist/orc/orc-1.5.5/orc-1.5.5.tar.gz.sha256">486bbf0765a5b8c2…</a></li>
<li>Fixed issues: <a href="https://issues.apache.org/jira/sr/jira.issueviews:searchrequest-printable/temp/SearchRequest.html?jqlQuery=project+%3D+ORC+AND+status+%3D+Closed+AND+fixVersion+%3D+%221.5.5%22&amp;tempMax=500">ORC-1.5.5</a></li>
</ul>
<p>The new features of ORC 1.5:</p>
<ul>
<li><a href="https://issues.apache.org/jira/browse/ORC-179">ORC-179</a> Add ORC C++ Writer</li>
<li><a href="https://issues.apache.org/jira/browse/ORC-91">ORC-91</a> Support for variable length blocks in HDFS.</li>
<li><a href="https://issues.apache.org/jira/browse/ORC-199">ORC-199</a> Implement a CSV to ORC converter</li>
<li><a href="https://issues.apache.org/jira/browse/ORC-344">ORC-344</a> Support for using Decimal64ColumnVector</li>
<li><a href="https://issues.apache.org/jira/browse/ORC-345">ORC-345</a> Adding Decimal64StatisticsImpl</li>
<li><a href="https://issues.apache.org/jira/browse/ORC-331">ORC-331</a> Support for building C++ under MSVC.</li>
<li><a href="https://issues.apache.org/jira/browse/ORC-234">ORC-234</a> Support for older versions of Hadoop (&gt;= 2.2.x)</li>
<li><a href="https://issues.apache.org/jira/browse/ORC-305">ORC-305</a> Added statistics for size on disk</li>
</ul>
<p>Known issues:</p>
<ul>
<li>
<p><a href="https://issues.apache.org/jira/browse/ORC-414">ORC-414</a> ORC files with malformed protobuf objects can crash C++ reader</p>
</li>
<li>
<p><a href="https://issues.apache.org/jira/browse/ORC-562">ORC-562</a> Don’t wrap the readerSchema with ACID fields, if it already is</p>
</li>
<li>
<p><a href="https://issues.apache.org/jira/browse/ORC-569">ORC-569</a> The first index entry may have empty positions</p>
</li>
</ul>
</div>
</article>
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<aside>
<ul>
<li class="">
<a href="/news/">All News</a>
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<li class="">
<a href="/news/releases/">ORC Releases</a>
</li>
</ul>
<h4>Recent Releases</h4>
<ul>
<li class="">
<a href="/news/2024/04/14/ORC-1.8.7/">Version 1.8.7</a>
</li>
<li class="">
<a href="/news/2024/03/20/ORC-1.9.3/">Version 1.9.3</a>
</li>
<li class="">
<a href="/news/2024/03/08/ORC-2.0.0/">Version 2.0.0</a>
</li>
<li class="">
<a href="/news/2023/11/10/ORC-1.9.2/">Version 1.9.2</a>
</li>
<li class="">
<a href="/news/2023/11/10/ORC-1.8.6/">Version 1.8.6</a>
</li>
</ul>
<h4>Other News</h4>
<ul>
<li class="">
<a href="/news/2024/01/13/add-deshan/">Deshan Xiao added as committer</a>
</li>
<li class="">
<a href="/news/2023/02/13/add-xin/">Xin Zhang added as committer</a>
</li>
<li class="">
<a href="/news/2022/09/21/william-chair/">William Hyun elected as Chair</a>
</li>
<li class="">
<a href="/news/2022/06/05/add-pavan/">Pavan Lanka added as committer</a>
</li>
<li class="">
<a href="/news/2022/05/08/yiqun-pmc/">ORC adds Yiqun Zhang to PMC</a>
</li>
<li class="">
<a href="/news/2022/03/05/add-quanlong/">Quanlong Huang added as committer</a>
</li>
<li class="">
<a href="/news/2021/11/23/add-yiqun/">Yiqun Zhang added as committer</a>
</li>
<li class="">
<a href="/news/2021/10/02/william-pmc/">ORC adds William Hyun to PMC</a>
</li>
<li class="">
<a href="/news/2021/04/13/add-william/">William Hyun added as committer</a>
</li>
<li class="">
<a href="/news/2021/02/08/panagiotis-pmc/">ORC adds Panagiotis Garefalakis to PMC</a>
</li>
<li class="">
<a href="/news/2020/11/16/add-panagiotis/">Panagiotis Garefalakis added as committer</a>
</li>
<li class="">
<a href="/news/2019/12/09/dongjoon-pmc/">ORC adds Dongjoon Hyun to PMC</a>
</li>
<li class="">
<a href="/news/2019/06/10/renat-and-sandeep/">Renat Vailiullin and Sandeep More added as committers</a>
</li>
<li class="">
<a href="/news/2019/01/11/gang-pmc/">ORC adds Gang Wu to PMC</a>
</li>
<li class="">
<a href="/news/2019/01/10/add-dongjoon/">Dongjoon Hyun added as committer</a>
</li>
<li class="">
<a href="/news/2018/03/27/add-xiening-and-gang/">Gang Wu and Xiening Dai added as committer</a>
</li>
<li class="">
<a href="/news/2017/09/06/new-pmc/">ORC adds Eugene and Deepak to PMC</a>
</li>
<li class="">
<a href="/news/2017/05/16/new-committer/">Deepak Majeti added as committer</a>
</li>
<li class="">
<a href="/news/2017/01/04/gopal-on-pmc/">ORC adds Gopal Vijayaraghavan to PMC</a>
</li>
<li class="">
<a href="/news/2016/12/15/new-committers/">ORC adds new committers</a>
</li>
<li class="">
<a href="/news/2016/06/28/file-format-talk/">File format benchmark</a>
</li>
<li class="">
<a href="/news/2015/11/19/aliaksei-on-pmc/">ORC adds Aliaksei Sandryhaila to PMC</a>
</li>
<li class="">
<a href="/news/2015/06/26/new-logo/">ORC adopts new logo</a>
</li>
<li class="">
<a href="/news/2015/05/11/new-committers/">ORC adds 7 committers</a>
</li>
<li class="">
<a href="/news/2015/04/22/orc-as-tlp/">ORC becomes an Apache Top Level Project</a>
</li>
</ul>
</aside>
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