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 ======= * Project Home (http://tajo.apache.org/) * Source Repository (https://git-wip-us.apache.org/repos/asf/tajo.git) * Issue Tracking (https://issues.apache.org/jira/browse/TAJO) License ======= * Apache License 2.0 (http://www.apache.org/licenses/LICENSE-2.0.html) Documents ========= * Tajo Wiki (https://cwiki.apache.org/confluence/display/TAJO) * Getting Started (http://tajo.apache.org/docs/current/getting_started.html) * Query Language (http://tajo.apache.org/docs/current/sql_language.html) * Configuration Guide (http://tajo.apache.org/docs/current/configuration.html) * Backup and Restore Guide (http://tajo.apache.org/docs/current/backup_and_restore.html) * Functions (http://tajo.apache.org/docs/current/functions.html) * Tajo Interactive Shell (http://tajo.apache.org/docs/current/tsql.html) Requirements ============ * Java 1.7 or higher * Hadoop 2.3.0 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.