MariaDB Galera Cluster 5.5.46 Release Notes

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Release date: 20 Oct 2015

MariaDB Galera Cluster 5.5.46 is a Stable (GA) release. It is a merge of MariaDB 5.5.46 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 documentation.

For a list of changes made in MariaDB Galera Cluster 5.5.46, with links to detailed information on each push, see the MariaDB Galera Cluster 5.5.46 Changelog.

Updates and fixes in this version

• This release is mainly a bug-fix release.

• Codership changes:github.com/codership/mysql-wsrep/tree/5.5 (till commit 4f81026)

• The Galera library used by MariaDB Galera Cluster and included in the MariaDB repositories is currently at version 25.3.9.

• MDEV-5146: Updates from LOAD DATA on a partitioned table were not getting replicated to other nodes in the cluster

• MDEV-8208: A node could crash during startup

• MDEV-8834: In a concurrent scenario, a session was able to write to a read_only node

Deprecated Distributions

As per the MariaDB Deprecation Policy, this will be the last release of MariaDB Galera Cluster 5.5 for Ubuntu 14.10 "Utopic" and Fedora 20.

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.

• See the MariaDB 5.5.46 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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