Upgrading MariaDB MaxScale from 2.1 to 2.2

Upgrading MariaDB MaxScale from 2.1 to 2.2

This document describes possible issues upgrading MariaDB MaxScale from version 2.1 to 2.2.

For more information about MariaDB MaxScale 2.2, please refer to the ChangeLog.

Before starting the upgrade, we recommend you back up your current configuration file.

Administrative Users

The file format for the administrative users used by MaxScale has been changed. Old style files are automatically upgraded and a backup of the old file is stored in /var/lib/maxscale/passwd.backup.

Regular Expression Parameters

Modules may now use a built-in regular expression string parameter type instead of a normal string when accepting patterns. The modules that use the new regex parameter type are qlafilter and tee. When inputting pattern, enclose the string in slashes, e.g. match=/^select/ defines the pattern ^select.

Binlog Server

Binlog server automatically accepts GTID connection from MariaDB 10 slave servers by saving all incoming GTIDs into a SQLite map database.

MaxCtrl Included in Main Package

In the 2.2.1 beta version MaxCtrl was in its own package whereas in 2.2.2 it is in the main maxscale package. If you have a previous installation of MaxCtrl, please remove it before upgrading to MaxScale 2.2.2.


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