| --- |
| layout: default |
| title: Apache ORC • High-Performance Columnar Storage for Hadoop |
| overview: true |
| --- |
| |
| <section class="intro"> |
| <div class="grid"> |
| <div class="unit whole center-on-mobiles"> |
| <p class="first">the smallest, fastest columnar storage for Hadoop |
| workloads.</p> |
| </div> |
| </div> |
| </section> |
| <section class="features"> |
| <div class="grid"> |
| <div class="unit one-third"> |
| <h2>ACID Support</h2> |
| <p>Includes support for ACID transactions and snapshot |
| isolation</p> |
| <a href="/docs/acid.html">ACID support →</a> |
| </div> |
| <div class="unit one-third"> |
| <h2>Built-in Indexes</h2> |
| <p>Jump to the right row with indexes including minimum, maximum, |
| and bloom filters for each column.</p> |
| <a href="/docs/indexes.html">ORC's indexes →</a> |
| </div> |
| <div class="unit one-third"> |
| <h2>Complex Types</h2> |
| <p>Supports all of Hive's types including the compound types: |
| structs, lists, maps, and unions</p> |
| <a href="/docs/types.html">ORC's types →</a> |
| </div> |
| <div class="clear"></div> |
| </div> |
| </section> |
| <section class="quickstart"> |
| <div class="grid"> |
| <div class="unit golden-small center-on-mobiles"> |
| <p class = "side">Download the current <a href="releases/"> |
| ORC release.</a></p> |
| </div> |
| <div class="unit golden-large code"> |
| <p class="title">Quickstart Documentation</p> |
| <ul class="shell"> |
| <li><a href="docs/spark-ddl.html">Using with Spark</a></li> |
| <li><a href="docs/pyarrow.html">Using with Python</a></li> |
| <li><a href="docs/hive-ddl.html">Using with Hive</a></li> |
| <li><a href="docs/mapred.html">Using with Hadoop MapRed</a></li> |
| <li><a href="docs/mapreduce.html">Using with Hadoop MapReduce</a></li> |
| <li><a href="docs/core-java.html">Using Core ORC from Java</a></li> |
| </ul> |
| </div> |
| <div class="clear"></div> |
| </div> |
| </section> |
| <section class="apache"> |
| <div class="grid"> |
| <div class="unit whole"> |
| <div class="grid pane"> |
| <div class="unit whole center-on-mobiles"> |
| <a href="https://www.apache.org"> |
| <img src="img/asf_logo.png" width="429" height="175" |
| alt="Apache Software Foundation"></a> |
| <div class="pane-content"> |
| <h2 class="center-on-mobiles">ORC is an <strong>Apache</strong> |
| project.</h2> |
| <p>Apache is a non-profit organization helping open-source |
| software projects released under the Apache |
| <a href="https://www.apache.org/licenses/">license</a> |
| and managed with |
| <a href="https://www.apache.org/foundation/how-it-works.html"> |
| open governance</a> and |
| <a href="https://privacy.apache.org/policies/privacy-policy-public.html"> |
| privacy policy</a>. See upcoming |
| <a class="dropdown-item" href="https://www.apache.org/events/current-event">Apache Events</a>. |
| If you discover any |
| <a href="security/">security</a> vulnerabilities, please |
| report them privately. Finally, |
| <a href="https://www.apache.org/foundation/thanks.html">thanks |
| </a> to the sponsors who |
| <a href="https://www.apache.org/foundation/sponsorship.html"> |
| donate</a> to the Apache Foundation. |
| </p> |
| </div> |
| </div> |
| <div class="clear"></div> |
| </div> |
| </div> |
| </div> |
| </section> |