> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/analytics/mariadb-columnstore/use-cases/mariadb-columnstore-guide.md).

# About MariaDB ColumnStore

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.

[MariaDB 10.5.4 ](/docs/release-notes/community-server/old-releases/10.5/10.5.4.md)is available as a storage engine for MariaDB Server. Before then, it is available as a separate download.

{% hint style="info" %}
Release notes and other documentation for ColumnStore is also available in the Enterprise docs section of the MariaDB website. For example:

* [ColumnStore 23.10 Release Notes](/docs/release-notes/columnstore/23.10.md)
* [ColumnStore 23.02 Release Notes](/docs/release-notes/columnstore/23.02.md)
* [ColumnStore 22.08 Release Notes](/docs/release-notes/columnstore/22.08.md)
* [ColumnStore 6 Release Notes](/docs/release-notes/columnstore/old-releases/mariadb-columnstore-6-release-notes.md)
* [ColumnStore 5.6 Release Notes](/docs/release-notes/columnstore/old-releases/mariadb-columnstore-5-6-release-notes.md)
* [Deployment Instructions](/docs/analytics/mariadb-columnstore/architecture/columnstore-architectural-overview.md#mariadb-enterprise-columnstore)
  {% endhint %}

It 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.

Links:

* [MariaDB ColumnStore Blogs](https://mariadb.com/resources/blog/tag/columnstore/).
* A Google Group exists for MariaDB ColumnStore that can be used to discuss ideas and issues and communicate with the community: Send email to <mariadb-columnstore@googlegroups.com> or use the [forum interface](https://groups.google.com/forum/#!forum/mariadb-columnstore)
* Bugs can be reported in MariaDB Jira: [jira.mariadb.org](https://jira.mariadb.org) (see [Reporting Bugs](/docs/general-resources/community/community/bug-tracking/reporting-bugs.md)). Please file bugs under the MCOL project and include the output from the [support utility](/docs/analytics/mariadb-columnstore/reference/system-troubleshooting.md) if possible.

MariaDB ColumnStore is released under the GPL license.

<sub>*This page is: Copyright © 2025 MariaDB. All rights reserved.*</sub>

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