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MariaDB ColumnStore Unofficial Documentation Project

This is a fork of the official ColumnStore documentation in the MariaDB Knowledge Base, maintained by Vettabase. We created this web space after ColumnStore documentation was taken away from the Knowledge Base.

See our ColumnStore Documentation Project manifesto to find out why we decided to start this documentation.

Note that registration of new users doesn't work yet because of issues with Amazon SES. If you want to contribute or comment this wiki, please send an email to:

We'll be happy to create a user for you. Thank you for your patience!

MariaDB ColumnStore is a columnar storage engine that utilizes a massively parallel distributed data architecture. It's a columnar storage system built by porting InfiniDB 4.6.7 to MariaDB, and released under the GPL license.

From MariaDB 10.5.4, it is available as a storage engine for MariaDB Server. Before then, it is only available as a separate download.

MariaDB ColumnStore is designed for big data scaling to process petabytes of data, linear scalability and exceptional performance with real-time response to analytical queries. It leverages the I/O benefits of columnar storage, compression, just-in-time projection, and horizontal and vertical partitioning to deliver tremendous performance when analyzing large data sets.

This Documentation is always work in progress!
Current number of pages: 54
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