The Ultimate Guide to High Availability with MariaDB

MariaDB ColumnStore 5.6.3 Release Notes

Contents

  1. Overview
  2. Notable Changes
  3. Issues Fixed
    1. Can result in a hang or crash
    2. Can result in unexpected behavior
  4. Platforms
  5. Installation Instructions
  6. Upgrade Instructions

Overview

MariaDB Enterprise ColumnStore 5.6.3 is a maintenance release of MariaDB Enterprise ColumnStore. MariaDB Enterprise ColumnStore is a columnar storage engine included with MariaDB Enterprise Server. This is the seventh release in the Enterprise ColumnStore 5 series.

MariaDB Enterprise ColumnStore 5.6.3 was released on 2021-12-13. This release is of General Availability (GA) maturity.

This release of MariaDB Enterprise ColumnStore is included with MariaDB Enterprise Server 10.5.13-9.

Notable Changes

  • CMAPI 1.6 is now included
    • CMAPI is a REST API for administering MariaDB Enterprise ColumnStore in multi-node topologies.
    • For additional information, see "Release Notes for CMAPI 1.6".
  • ColumnStore now supports compression for temporary files used for disk-based aggregations (MCOL-4829)
    • When disk-based aggregations are enabled, the temporary files use snappy compression by default.

Issues Fixed

Can result in a hang or crash

  • Replica nodes crash and cannot restart after cpimport is executed. (MCOL-4805)
  • Server crashes when a NOT IN(..) subquery contains an IS NULL comparison in an OR predicate. (MCOL-4642)

Can result in unexpected behavior

  • The CMAPI shell aliases fail when the API key contains a = character. (MCOL-4773)

Platforms

In alignment to the enterprise lifecycle, MariaDB Enterprise ColumnStore 5.6.3 is provided for:

  • CentOS 7 (x86_64)
  • Debian 9 (x86_64)
  • Debian 10 (x86_64)
  • Red Hat Enterprise Linux 7 (x86_64)
  • Red Hat Enterprise Linux 8 (x86_64)
  • SUSE Linux Enterprise Server 12 (x86_64)
  • SUSE Linux Enterprise Server 15 (x86_64)
  • Ubuntu 18.04 (x86_64)
  • Ubuntu 20.04 (x86_64)

Installation Instructions

Upgrade Instructions

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