Pentaho Analysis Services (Mondrian)

Welcome to the community home for Pentaho Analysis Services Community Edition also known as Mondrian. Mondrian is an Online Analytical Processing (OLAP) server that enables business users to analyze large quantities of data in real-time. Users explore business data by drilling into and cross-tabulating information with speed-of-thought response times to complex analytical queries.

Community Edition is self supported open source software. An Enterprise Edition (EE) of Pentaho Analysis Services including technical support and managed upgrades is also available. For more information about EE or for case studies and datasheets, visit Pentaho Analysis Services EE on Pentaho's corporate site.

Recent News and Releases
- 2011-10-28 - Stable build of Mondrian 3.3.0.14703 released more info.
- 2011-10-28 - Mondrian 3.3.0-stable: download now.
- 2011-10-28 - Schema Workbench 3.3.0-stable: download now.
- 2011-10-28 - Aggregation Designer 1.3.0-stable: download now.
- 2010-12-01 - Stable build of Mondrian 3.2.1.13885 released more info.
- 2010-12-01 - Mondrian 3.2.1-stable: download now.
- 2010-12-01 - Schema Workbench 3.2.1-stable: download now.
- 2010-12-01 - Aggregation Designer 1.2.1-stable: download now.
Stable
Mondrian 3.3.0 stable
This is a minor release that contains new features, API changes, bug fixes and supports BI Platform 4.1.
- Downloads - Source - Documentation - Forum  

- Release Notes for 3.3.0

Select Features and fixes:

  • Improved native performance.
  • Support for olap4j 1.0.
  • XMLA now supports roles and access controls, as well as a major refactoring to allow the XMLA servlet to run on top of any olap4j compliant driver.
  • Improved Greenplum support.
  • Improved member cache control.
  • Introduces the Hive dialect.
  • Introduces scripted user defined functions and formatters.
  • Introduces the SegmentCache SPI.
  • Introduces the EXPLAIN PLAN query.

API changes

  • Added OlapElement.isVisible().
  • Dialect now includes:
    • allowsJoinOn()
    • allowsRegularExpressionInWhereClause()
    • generateRegularExpression()
    • requiresHavingAlias()
    • generateCountExpression()
  • Dialect removes:
    • getNullCollation()
  • Upgraded to olap4j-1.0.0.445
    • Introduction of:
    • SegmentCache
    • PropertyFormatter
    • MemberFormatter
    • CellFormatter

    For a complete list of changes see CHANGES.TXT

    In Development
    Developer Resources
    - Roadmap - Sprint Homepage - Open Issues - Continuous Integration Builds  
    - Mondrian Source - Schema Workbench Source - Agg Designer Source - Developer Forum  
    Upcoming Training
    Quick Links

    - Frequently Asked Questions
    - Online Documentation
    - Julian Hyde's blog
    - Mailing List
    - Mondrian on SourceForge.net
    - JPivot
    - ResGen
    - Partners
    - Get Support
     

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    Contribute to the Project

    You can participate by contributing new code, reporting bugs, testing new releases, answering questions and more; Email us the proposed contribution and any other relevant details. Welcome to the team.

    - Write a tech tip
    - Report a bug in JIRA
    - Answer posts on the forums
    - Write some code
    - How to Contribute