Release Notes for MariaDB Enterprise ColumnStore 6.4.4


MariaDB Enterprise ColumnStore 6.4.4 is a maintenance release of MariaDB Enterprise ColumnStore. MariaDB Enterprise ColumnStore is a columnar storage engine included with MariaDB Enterprise Server. This is the sixth release in the Enterprise ColumnStore 6 series.

MariaDB Enterprise ColumnStore 6.4.4 was released on 2022-08-09. This release is of General Availability (GA) maturity.

This release of MariaDB Enterprise ColumnStore is included with MariaDB Enterprise Server 10.6.8-4.

Issues Fixed

Can result in unexpected behavior

  • When disk-based aggregations are enabled, aggregations can fail with the ER_INTERNAL_ERROR error code. (MCOL-5153)

    • The following error message could be raised to the client:

      ERROR 1815 (HY000): Internal error: TupleAggregateStep::threadedAggregateRowGroups()[24] MCS-2054: Unknown error while aggregation.


In alignment to the enterprise lifecycle, MariaDB Enterprise ColumnStore 6.4.4 is provided for:

  • CentOS 7 (x86_64)

  • Debian 10 (x86_64)

  • Red Hat Enterprise Linux 7 (x86_64)

  • Red Hat Enterprise Linux 8 (x86_64)

  • Rocky Linux 8 (x86_64)

  • Ubuntu 18.04 (x86_64)

  • Ubuntu 20.04 (x86_64)