Release Notes for MariaDB Enterprise ColumnStore 5.6.3

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

  • ColumnStore now supports compression for temporary files used for disk-based aggregations (MCOL-4829)

    • The new compression is disabled by default.

    • Enable the new compression using the mcsSetConfig utility:

    $ sudo mcsSetConfig RowAggregation Compression SNAPPY

  • CMAPI 1.6 is now included

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. (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)