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| <h2><a name="Welcome_to_Apache_HBase.E2.84.A2"></a>Welcome to Apache HBase™</h2> |
| |
| <p><a class="externalLink" href="https://www.apache.org/">Apache</a> HBase™ is the <a class="externalLink" href="https://hadoop.apache.org/">Hadoop</a> database, a distributed, scalable, big data store.</p> |
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| <p>Use Apache HBase™ when you need random, realtime read/write access to your Big Data. |
| This project's goal is the hosting of very large tables -- billions of rows X millions of columns -- atop clusters of commodity hardware. |
| Apache HBase is an open-source, distributed, versioned, non-relational database modeled after Google's <a class="externalLink" href="https://research.google.com/archive/bigtable.html">Bigtable: A Distributed Storage System for Structured Data</a> by Chang et al. |
| Just as Bigtable leverages the distributed data storage provided by the Google File System, Apache HBase provides Bigtable-like capabilities on top of Hadoop and HDFS. |
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| <h2><a name="Download"></a>Download</h2> |
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| <h2><a name="Features"></a>Features</h2> |
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| <ul> |
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| <li>Linear and modular scalability.</li> |
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| <li>Strictly consistent reads and writes.</li> |
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| <li>Automatic and configurable sharding of tables</li> |
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| <li>Automatic failover support between RegionServers.</li> |
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| <li>Convenient base classes for backing Hadoop MapReduce jobs with Apache HBase tables.</li> |
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| <li>Easy to use Java API for client access.</li> |
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| <li>Block cache and Bloom Filters for real-time queries.</li> |
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| <li>Query predicate push down via server side Filters</li> |
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| <li>Thrift gateway and a REST-ful Web service that supports XML, Protobuf, and binary data encoding options</li> |
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| <li>Extensible jruby-based (JIRB) shell</li> |
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| <li>Support for exporting metrics via the Hadoop metrics subsystem to files or Ganglia; or via JMX</li> |
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| <h2><a name="More_Info"></a>More Info</h2> |
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| <p>See the <a href="book.html#arch.overview">Architecture Overview</a>, the <a href="book.html#faq">Apache HBase Reference Guide FAQ</a>, and the other documentation links.</p> |
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| <dl> |
| |
| <dt>Export Control</dt> |
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| <dd> |
| <p>The HBase distribution includes cryptographic software. See the export control notice <a href="export_control.html">here</a></p></dd> |
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| <dt>Code Of Conduct</dt> |
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| <dd> |
| <p>We expect participants in discussions on the HBase project mailing lists, Slack and IRC channels, and JIRA issues to abide by the Apache Software Foundation's <a class="externalLink" href="https://apache.org/foundation/policies/conduct.html">Code of Conduct</a>. More information can be found <a href="coc.html">here</a>.</p></dd> |
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| <dt>License</dt> |
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| <p>Apache HBase is licensed under the <a class="externalLink" href="https://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a></p></dd> |
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| <dt>Trademarks</dt> |
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| <dd> |
| <p>Apache HBase, HBase, Apache, the Apache feather logo, and the Apache HBase project logo are either <a class="externalLink" href="https://www.apache.org/foundation/marks/list/">registered trademarks or trademarks</a> of The Apache Software Foundation in the United States and other countries.</p></dd> |
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| <p>Thanks for all the sponsors, who are <a class="externalLink" href="https://www.apache.org/foundation/thanks.html">supporting Apache</a> or <a href="sponsors.html">supporting the HBase project</a>!</p></dd> |
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| <dt>Security and Vulnerability information</dt> |
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| <dd> |
| <p>See the <a href="book.html#security">Security</a> chapter in the <a href="book.html#faq">Apache HBase Reference Guide</a>, and the general <a class="externalLink" href="https://apache.org/security/">Apache Security information</a>!</p></dd> |
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| <h2><a name="News"></a>News</h2> |
| |
| <p>July 20th, 2019 <a class="externalLink" href="https://easychair.org/cfp/hbaseconasia-2019">HBaseCon, Asia 2019</a> Beijing, China</p> |
| |
| <p>May 21st, 2019 <a class="externalLink" href="https://dataworkssummit.com/nosql-day-2019/">NoSQL Day 2019</a> Washington DC.</p> |
| |
| <p>August 17th, 2018 <a class="externalLink" href="https://hbase.apache.org/hbaseconasia-2018/">HBaseCon Asia 2018</a> @ Gehua New Century Hotel, Beijing, China. CFP open, see site for details!</p> |
| |
| <p>June 18th, 2018 <a class="externalLink" href="https://hbase.apache.org/hbasecon-2018">HBaseCon North America West 2018</a> @ San Jose Convention Center, San Jose, CA, USA. registration still open, see site for details!</p> |
| |
| <p>August 4th, 2017 <a class="externalLink" href="https://easychair.org/cfp/HBaseConAsia2017">HBaseCon Asia 2017</a> @ the Huawei Campus in Shenzhen, China</p> |
| |
| <p><small><a href="old_news.html">Old News</a></small></p> |
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| <p><br />The next Apache Event:<br /><a class="externalLink" href="https://www.apache.org/events/current-event.html"><img src="https://www.apache.org/events/current-event-234x60.png" alt="" /></a></p> |
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