Apache Trafodion
 | |
| Developer(s) | Apache Software Foundation |
|---|---|
| Final release | 2.4.0
/ May 17, 2020 |
| Repository | |
| Written in | C++, Java |
| Operating system | Linux |
| Type | SQL-on-Hadoop DBMS |
| License | Apache License 2.0 |
| Website | trafodion |
Apache Trafodion is an open-source Top-Level Project at the Apache Software Foundation. It was originally developed by the information technology division of Hewlett-Packard Company and HP Labs to provide the SQL query language on Apache HBase targeting big data transactional or operational workloads.[1] The project was named after the Welsh word for transactions.[1] As of April 2021, it is no longer actively developed.[2]
Features
Trafodion is a relational database management system that runs on Apache Hadoop,[3] providing support for transactional or operational workloads in a big data environment.[1] The following is a list of key features:
- ANSI SQL language support[3]
- JDBC and Open Database Connectivity (ODBC) connectivity for Linux and Windows clients[3]
- Distributed ACID transaction protection across multiple statements, tables, and rows[3]
- Compile-time and run-time optimizations for real-time operational workloads[3]
- Support for large data sets using a parallel-aware query optimizer and a parallel data-flow execution engine[3]
Transaction management features include:
- Begin, commit, and rollback work syntax, including SET TRANSACTION[3]
- READ COMMITTED transactional isolation level[3]
- Multiple SQL processes participating in the same transaction concurrently[3]
- Recovery after region server, transaction manager, or node failure[3]
- Support for region splits and balancing[3]
History
Trafodion was launched by HP as an open-source project on June 10, 2014.[4]
A version of Trafodion was released on January 29, 2015.[5]
Trafodion became an Apache Incubation Project in May 2015.[6]
Trafodion graduated from the Apache Incubator to become a Top-Level Project at the Apache Software Foundation in January 2018.[7]
See also
References
- ^ a b c "Trafodion: Transactional SQL-on-HBase". June 9, 2014. Archived from the original on July 25, 2014. Retrieved July 17, 2014.
- ^ "Apache Trafodion - Apache Attic".
- ^ a b c d e f g h i j k "Trafodion: First Release Features (Release 0.8.0)". May 29, 2014. Retrieved October 21, 2015.[permanent dead link]
- ^ "Introducing Trafodion - HP Enterprise Business Community". June 17, 2014. Archived from the original on July 25, 2014. Retrieved July 17, 2014.
- ^ "Release of Trafodion 1.0.0". January 30, 2015. Archived from the original on February 24, 2015. Retrieved February 23, 2015.
- ^ "Apache Incubation Project List". Retrieved October 19, 2015.
- ^ "The Apache Software Foundation Announces Apache Trafodion as a Top-Level Project". 10 January 2018. Retrieved February 13, 2018.
