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Apache Tajo

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3 April 2014


Apache Tajo

Tajo is a relational and distributed data warehouse system for Hadoop. Tajo is designed for low-latency and scalable ad-hoc queries, online aggregation and ETL on large-data sets by leveraging advanced database techniques. It supports SQL standards. It has its own query engine which allows direct control of distributed execution and data flow. As a result, Tajo has a variety of query evaluation strategies and more optimization opportunities. In addition, Tajo will have a native columnar execution and and its optimizer.

Project

License

Documents

Requirements

  • Java 1.6 or higher
  • Hadoop 2.0.3-alpha or higher

Mailing lists

  • dev@tajo.apache.org - To discuss and ask general development issues.

  • user@tajo.apache.org - To discuss and ask end-user questions/issues.

  • issues@tajo.apache.org - To see notifications made in the Tajo issue tracking system, review board, and Jenkins CI.

  • commits@tajo.apache.org - To monitor commits to the source repository.

To subscribe to the mailing lists, please send an email to: ${listname}-subscribe@tajo.apache.org. For example, to subscribe to dev, send an email from your desired subscription address to: dev-subscribe@tajo.apache.org and follow the instructions from there.


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