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| <h2>About Apache AsterixDB</h2> |
| <p>Apache AsterixDB™ is a highly scalable data management system that can store, index, and manage semi-structured |
| data, e.g., much like MongoDB, but it also supports a full-power query language with the expressiveness of SQL (and |
| more). |
| Unlike analytics engines like Apache Hive or Apache Spark, it stores and manages data, so AsterixDB can exploit its |
| knowledge of data partitioning and the availability of indexes to avoid always scanning data set(s) to process queries. |
| Somewhat surprisingly, there is no open source parallel database system (relational or otherwise) available to |
| developers today – AsterixDB aims to fill this need.</p> |
| |
| <h3 id="core-features">Core features</h3> |
| |
| <ul> |
| <li>A NoSQL style data model (ADM) based on extending JSON with object |
| database concepts.</li> |
| <li>An expressive and declarative query language (AQL) for querying |
| semi-structured data.</li> |
| <li>A runtime query execution engine, Apache Hyracks, for partitioned-parallel |
| execution of query plans.</li> |
| <li>Partitioned LSM-based data storage and indexing for efficient |
| ingestion of newly arriving data.</li> |
| <li>Support for querying and indexing external data (e.g., in HDFS) as |
| well as data stored within AsterixDB.</li> |
| <li>A rich set of primitive data types, including support for spatial, |
| temporal, and textual data.</li> |
| <li>Indexing options that include B+ trees, R trees, and inverted |
| keyword index support.</li> |
| <li>Basic transactional (concurrency and recovery) capabilities akin to |
| those of a NoSQL store.</li> |
| </ul> |
| |
| <h3 id="history">History</h3> |
| |
| <p>Prior to being developed at the Apache Software Foundation AsterixDB was co-developed by a team of faculty, staff, and |
| students at UC Irvine and UC Riverside. The project was initiated as a large NSF-sponsored project in 2009, the goal of |
| which was to combine the best ideas from the parallel database world, the then new Apache Hadoop world, and the |
| semi-structured (e.g., XML/JSON) data world in order to create a next-generation BDMS. A first informal open source |
| release was made four years later, in June of 2013, under the Apache Software License 2.0. AsterixDB was accepted into |
| the Apache Incubator in Febuary of 2015 and was established as a TLP in April of 2016.</p> |
| |
| <h3 id="more-information">More information</h3> |
| |
| <p>More information about AsterixDB (and its underlying frameworks Hyracks and Algebricks) can be found on the site of the |
| <a href="http://asterix.ics.uci.edu/">ASTERIX project at UC Irvine</a> - especially in the |
| <a href="http://asterix.ics.uci.edu/publications.html">Publications section</a>.</p> |
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