The Ultimate Guide to High Availability with MariaDB

MariaDB Galera Cluster 5.5.43 Release Notes

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The most recent MariaDB Galera Cluster 5.5 release is:
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Download Release Notes Changelog Overview of MariaDB Galera Cluster

Release date: 15 May 2015

MariaDB Galera Cluster 5.5.43 is a Stable (GA) release. It is a merge of MariaDB 5.5.43 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 5.5.43, with links to detailed information on each push, see the MariaDB Galera Cluster 5.5.43 Changelog.

Updates and fixes in this version

  • Codership changes: github.com/codership/mysql-wsrep/tree/5.5 (till commit 11dc27f)
  • Fix for MDEV-8115: mysql_upgrade crashes the server with REPAIR VIEW
  • The following FLUSH commands are now executed under total order isolation:
    • FLUSH DES_KEY_FILE
    • FLUSH HOSTS
    • FLUSH PRIVILEGES
    • FLUSH QUERY CACHE
    • FLUSH STATUS
    • FLUSH USER_RESOURCES

Deprecated Distributions

As per the MariaDB Deprecation Policy, this will be the final release of MariaDB Galera Cluster 5.5 for Fedora 19 "Schrödinger's Cat", Ubuntu 10.04 LTS "Lucid", and Mint 9 LTS "Isadora". When the next version of MariaDB Galera Cluster 5.5 is released, repositories for these distributions will go away.

Notes

  • Running MariaDB Galera Cluster 5.5 and 10.0 nodes in a cluster is not supported (MDEV-6257)
  • 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 is also available from the downloads page.

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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