The Ultimate Guide to High Availability with MariaDB

MariaDB ColumnStore 6.2.3 Release Notes

Contents

  1. Overview
  2. Notable Changes
  3. Issues Fixed
    1. Can result in unexpected behavior
  4. Platforms

Overview

MariaDB Enterprise ColumnStore 6.2.3 is a maintenance release of MariaDB Enterprise ColumnStore. MariaDB Enterprise ColumnStore is a columnar storage engine included with MariaDB Enterprise Server. This is the third release in the Enterprise ColumnStore 6 series.

MariaDB Enterprise ColumnStore 6.2.3 was released on 2022-02-23. This release is of General Availability (GA) maturity.

This release of MariaDB Enterprise ColumnStore is included with MariaDB Enterprise Server 10.6.5-2 and MariaDB Enterprise Server 10.6.7-3.

Notable Changes

  • CMAPI 1.6.2 was originally included
  • CMAPI 1.6.3 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 1.6.2" and "Release Notes for CMAPI 1.6.3".
    • Added encrypted password support for the cross engine join user. (MCOL-4946)

Issues Fixed

Can result in unexpected behavior

  • UPDATE with cross engine IN subquery produced unexpected results. (MCOL-4868)
  • Error can arise with cross engine JOIN: Internal error: CrossEngineStep::execute() caught getSignedNullValue(): got bad column width (4) (MCOL-4874)
  • IN operation doesn't respect COLLATE (MCOL-4899)
  • Slower than expected bulk insertion. (MCOL-4912)
  • A ColumnStore process thread read call could last indefinitely. (MCOL-4927)
  • With this release, if no data appears when a ColumnStore process thread makes a read call, the thread logs an error, closes the socket, and proceeds.
  • Prior to this release, a ColumnStore process thread would synchronously wait for data to appear in the socket.
  • QueryStats does not automatically log each query to calGetTrace() results. (MCOL-4944)
  • With this release, when QueryStats is enabled, queries are automatically logged to infinidb_querystats.querystats
  • Prior to this release, it was necessary to execute SELECT calGetTrace(1) to log queries even with QueryStats enabled.

Platforms

In alignment to the enterprise lifecycle, MariaDB Enterprise ColumnStore 6.2.3 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)
  • Ubuntu 18.04 (x86_64)
  • Ubuntu 20.04 (x86_64)
NoteMariaDB Enterprise ColumnStore 6 has been superseded by MariaDB Enterprise ColumnStore 22.08 in MariaDB Enterprise Server 10.6.

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