MariaDB Galera Cluster 5.5.38 Release Notes

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Release date: 25 Jun 2014

MariaDB Galera Cluster 5.5.38 is a Stable (GA) release. It is a merge of MariaDB 5.5.38 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 5.5.38, with links to detailed information on each push, see theMariaDB Galera Cluster 5.5.38 Changelog.

Notes about this release

• MariaDB Galera Cluster 5.5.38 includes MariaDB 5.5.38 with Codership additions (lp:codership-mysql/5.5 till revision 3997) 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.

• wsrep_sst_rsync (sst script) in MariaDB Galera Cluster 5.5.38 uses lsof which might not be installed by default on some linux distributions. It has to be installed if the wsrep_sst_method is set to rsync (default). Package managers should be able to automatically resolve this dependency (MDEV-6264).

• Galera rpm packages had a file conflicting with Filesystem package (MDEV-4218), which caused installation to fail. Fixed Galera packages are now available for the following flavors : Fedora 19, Fedora 20 and CentOS 6.

See the MariaDB 5.5.38 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.

Bug Fixes

This release contains fixes for bugs, compiler errors/warnings and improvements in existing scripts.

A list of all the bugs fixed can be found in thechangelog.

Thanks, and enjoy MariaDB Galera Cluster!

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