> 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/release-notes/columnstore/old-releases/mariadb-columnstore-5-6-release-notes/mariadb-columnstore-5-6-2-release-notes.md).

# MariaDB ColumnStore 5.6.2 Release Notes

## Overview

[MariaDB ColumnStore](https://github.com/mariadb-corporation/docs-release-notes/blob/test/en/mariadb-columnstore/README.md) is a columnar storage engine included with [MariaDB ColumnStore](https://github.com/mariadb-corporation/docs-release-notes/blob/test/en/mariadb-columnstore/README.md). This is the sixth release in the ColumnStore 5 series.

This release of MariaDB ColumnStore is included with MariaDB Enterprise Server 10.5.10-7.

This release is of General Availability (GA) maturity.

MariaDB ColumnStore 5.6.2 was released on 2021-06-30.

## Issues Fixed

* Possible segfault with disk-based aggregation. ([MCOL-4788](https://jira.mariadb.org/browse/MCOL-4788), [MCOL-563](https://jira.mariadb.org/browse/MCOL-563))

## Platforms

In alignment with the [enterprise lifecycle](/docs/release-notes/enterprise-server/about/enterprise-server-lifecycle.md), MariaDB ColumnStore 5.6.2 is provided for:

* CentOS 7
* CentOS 8
* Debian 9
* Debian 10
* Red Hat Enterprise Linux 7
* Red Hat Enterprise Linux 8
* SUSE Linux Enterprise Server 12
* SUSE Linux Enterprise Server 15
* Ubuntu 18.04
* Ubuntu 20.04

## Installation Instructions

* [ColumnStore Object Storage Topology with MariaDB Enterprise Server 10.5](/docs/server/architecture/topologies/columnstore-object-storage.md)[ and MariaDB ColumnStore 5](/docs/server/architecture/topologies/columnstore-object-storage.md)
* [ColumnStore Shared Local Storage Topology with MariaDB Enterprise Server 10.5](/docs/server/architecture/topologies/columnstore-shared-local-storage.md)[ and MariaDB ColumnStore 5](/docs/server/architecture/topologies/columnstore-shared-local-storage.md)
* [HTAP Topology with MariaDB Enterprise Server 10.5](/docs/server/architecture/topologies/htap.md)[ and MariaDB ColumnStore 5](/docs/server/architecture/topologies/htap.md)
* [Single-Node ColumnStore 5 with MariaDB Enterprise Server 10.5](/docs/server/architecture/topologies/single-node-topologies/enterprise-server-with-columnstore-object-storage.md)[ and Object Storage](/docs/server/architecture/topologies/single-node-topologies/enterprise-server-with-columnstore-object-storage.md)
* [Single-Node ColumnStore 5 with MariaDB Enterprise Server 10.5](/docs/server/architecture/topologies/single-node-topologies.md)

## Upgrade Instructions

* Major Release Upgrades for MariaDB ColumnStore.

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

{% @marketo/form formid="4316" formId="4316" %}