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| <li class="projectVersion version-date">Version: 1.2.12</li> |
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| <h2 id="Welcome_to_Apache_HBase">Welcome to Apache HBase™</h2> |
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| <p><a class="externalLink" href="http://www.apache.org/">Apache</a> HBase™ is the <a class="externalLink" href="http://hadoop.apache.org">Hadoop</a> database, a distributed, scalable, big data store. </p> |
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| <h4 id="Download_Apache_HBase">Download Apache HBase™</h4> |
| <p> Click <b><a class="externalLink" href="http://www.apache.org/dyn/closer.cgi/hbase/">here</a></b> to download Apache HBase™. </p> |
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| <h4 id="When_Would_I_Use_Apache_HBase">When Would I Use Apache HBase?</h4> |
| <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="http://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. </p> |
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| <h4 id="Features">Features</h4> |
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| <li>Linear and modular scalability. </li> |
| <li>Strictly consistent reads and writes. </li> |
| <li>Automatic and configurable sharding of tables </li> |
| <li>Automatic failover support between RegionServers. </li> |
| <li>Convenient base classes for backing Hadoop MapReduce jobs with Apache HBase tables. </li> |
| <li>Easy to use Java API for client access. </li> |
| <li>Block cache and Bloom Filters for real-time queries. </li> |
| <li>Query predicate push down via server side Filters </li> |
| <li>Thrift gateway and a REST-ful Web service that supports XML, Protobuf, and binary data encoding options </li> |
| <li>Extensible jruby-based (JIRB) shell </li> |
| <li>Support for exporting metrics via the Hadoop metrics subsystem to files or Ganglia; or via JMX </li> |
| </ul> |
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| <h4 id="Where_Can_I_Get_More_Information">Where Can I Get More Information?</h4> |
| <p>See the <a class="externalLink" href="http://hbase.apache.org/book/architecture.html#arch.overview">Architecture Overview</a>, the <a class="externalLink" href="http://hbase.apache.org/book/faq.html">Apache HBase Reference Guide FAQ</a>, and the other documentation links on the left! </p> |
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| <h4 id="Export_Control">Export Control</h4> |
| <p>The HBase distribution includes cryptographic software. See the export control notice <a href="export_control.html">here</a> </p> |
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| <h2 id="News">News</h2> |
| <p>May 7th, 2015 <a class="externalLink" href="http://hbasecon.com/">HBaseCon2015</a> in San Francisco</p> |
| <p>February 17th, 2015 <a class="externalLink" href="http://www.meetup.com/hbaseusergroup/events/219260093/">HBase meetup around Strata+Hadoop World</a> in San Jose</p> |
| <p>January 15th, 2015 <a class="externalLink" href="http://www.meetup.com/hbaseusergroup/events/218744798/">HBase meetup @ AppDynamics</a> in San Francisco</p> |
| <p>November 20th, 2014 <a class="externalLink" href="http://www.meetup.com/hbaseusergroup/events/205219992/">HBase meetup @ WANdisco</a> in San Ramon</p> |
| <p>October 27th, 2014 <a class="externalLink" href="http://www.meetup.com/hbaseusergroup/events/207386102/">HBase Meetup @ Apple</a> in Cupertino</p> |
| <p>October 15th, 2014 <a class="externalLink" href="http://www.meetup.com/HBase-NYC/events/207655552">HBase Meetup @ Google</a> on the night before Strata/HW in NYC</p> |
| <p>September 25th, 2014 <a class="externalLink" href="http://www.meetup.com/hbaseusergroup/events/203173692/">HBase Meetup @ Continuuity</a> in Palo Alto</p> |
| <p>August 28th, 2014 <a class="externalLink" href="http://www.meetup.com/hbaseusergroup/events/197773762/">HBase Meetup @ Sift Science</a> in San Francisco</p> |
| <p>July 17th, 2014 <a class="externalLink" href="http://www.meetup.com/hbaseusergroup/events/190994082/">HBase Meetup @ HP</a> in Sunnyvale</p> |
| <p>June 5th, 2014 <a class="externalLink" href="http://www.meetup.com/Hadoop-Summit-Community-San-Jose/events/179081342/">HBase BOF at Hadoop Summit</a>, San Jose Convention Center</p> |
| <p>May 5th, 2014 <a class="externalLink" href="http://www.hbasecon.com">HBaseCon2014</a> at the Hilton San Francisco on Union Square</p> |
| <p>March 12th, 2014 <a class="externalLink" href="http://www.meetup.com/hbaseusergroup/events/160757912/">HBase Meetup @ Ancestry.com</a> in San Francisco</p> |
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