MariaDB Galera Cluster 5.5.40 Release Notes

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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 andGalera Cluster with additional bug fixes.

Various articles about MariaDB Galera Cluster, includingknown limitations andhow to get started are available in the Galera section of the documentation.

For a list of changes made in MariaDB Galera Cluster 5.5.40, with links to detailed information on each push, see theMariaDB 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) andGalera 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 andChangelog 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 withwsrep_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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