The Ultimate Guide to High Availability with MariaDB
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MariaDB Galera Cluster 5.5.40 Release Notes

The most recent MariaDB Galera Cluster 5.5 release is:
MariaDB Galera Cluster 5.5.63 Download Now

Download Release Notes Changelog Overview of MariaDB Galera Cluster

Release date: 17 Oct 2014

MariaDB Galera Cluster 5.5.40 is a Stable (GA) release. It is a merge of MariaDB 5.5.40 and Galera Cluster with additional bug fixes.

Various articles about MariaDB Galera Cluster, including known limitations and how to get started are available in the Galera section of the Knowledge Base.

For a list of changes made in MariaDB Galera Cluster 5.5.40, with links to detailed information on each push, see the MariaDB Galera Cluster 5.5.40 Changelog.

Notes about this release

  • MariaDB Galera Cluster 5.5.40 includes MariaDB 5.5.40 with Codership additions (lp:codership-mysql/5.5 till revision 4026) and Galera 25.3.5.
  • This version of MariaDB Galera Cluster supports wsrep API v25 which means MariaDB Galera Cluster can be used with either a 25.2.x or 25.3.x Galera wsrep provider. A 25.3.x wsrep provider is included in the MariaDB repositories and both 25.3.x and 25.2.x wsrep providers are available on the downloads page.
  • Restrictions on the use of the Query Cache in MariaDB Galera Cluster have been lifted with this release.
  • As per the MariaDB Deprecation Policy, this will be the last release of MariaDB Galera Cluster 5.5 for both Ubuntu 13.10 "Saucy" and Mint 16 "Petra".

See the MariaDB 5.5.40 Release Notes and Changelog for more information on the changes in MariaDB.

Note: If Galera 25.2.x and 25.3.x are both being used in the cluster, MariaDB with Galera 25.3.x must be started with wsrep_provider_options='socket.checksum=1' in order to make it backward compatible with Galera v2. Galera wsrep providers other than 25.3.x or 25.2.x are not supported.

Thanks, and enjoy MariaDB Galera Cluster!

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