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MaxScale/Documentation/Release-Notes/MaxScale-2.2.0-Release-Notes.md
Markus Mäkelä 85b8a963bd Document mysqlmon server state backup 
The functionality is now documented in the MySQL Monitor documentation.
2017-03-17 11:29:05 +02:00

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MariaDB MaxScale 2.2.0 Release Notes

Release 2.2.0 is a Beta release.

This document describes the changes in release 2.2.0, when compared to release 2.1.X.

For any problems you encounter, please consider submitting a bug report at Jira.

Changed Features

NamedServerFilter

This filter now uses the PCRE2-libarary to match queries. Previously, it used the POSIX-version of PCRE2.

Dropped Features

MaxAdmin

The following deprecated commands have been removed:

  • enable log [debug|trace|message]
  • disable log [debug|trace|message]
  • enable sessionlog [debug|trace|message]
  • disable sessionlog [debug|trace|message]

The following commands have been deprecated:

  • enable sessionlog-priority <session-id> [debug|info|notice|warning]
  • disable sessionlog-priority <session-id> [debug|info|notice|warning]

The commands can be issued, but have no effect.

New Features

MySQL Monitor Crash Safety

The MySQL monitor keeps a journal of the state of the servers and the currently elected master. This information will be read if MaxScale suffers an uncontrolled shutdown. By doing the journaling of server states, the mysqlmon monitor is able to keep track of stale master and stale slave states across restarts and crashes.

Avrorouter deflate compression

The Avrorouter now supports the deflate compression method. This allows the stored Avro format files to be compressed on disk. For more information, refer to the Avrorouter documentation.

Bug fixes

Here is a list of bugs fixed since the release of MaxScale 2.1.X.

Known Issues and Limitations

There are some limitations and known issues within this version of MaxScale. For more information, please refer to the Limitations document.

Packaging

RPM and Debian packages are provided for the Linux distributions supported by MariaDB Enterprise.

Packages can be downloaded here.

Source Code

The source code of MaxScale is tagged at GitHub with a tag, which is identical with the version of MaxScale. For instance, the tag of version X.Y.Z of MaxScale is X.Y.Z. Further, master always refers to the latest released non-beta version.

The source code is available here.