MariaDB Galera Cluster 5.5.42 Release Notes
DownloadRelease NotesChangelogOverview of MariaDB Galera Cluster
Release date: 11 Mar 2015
MariaDB Galera Cluster 5.5.42 is a Stable (GA) release. It is a merge of MariaDB 5.5.42 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 5.5.42, with links to detailed information on each push, see theMariaDB Galera Cluster 5.5.42 Changelog.
Updates and fixes in this version
Codership changes:
lp:codership-mysql/5.5
(till revision4026
)The Galera library used by MariaDB Galera Cluster and included in the MariaDB repositories has been updated to version 25.3.9.
On Ubuntu and Debian, as part of the upgrade to Galera version 25.3.9, the Galera Arbitrator daemon (garbd) and the galera library have been renamed and split into separate packages. The packages are named galera-3 and galera-arbitrator-3. When installing MariaDB Galera Cluster on Ubuntu and Debian (the mariadb-galera-server package), the galera-3 package will be automatically installed. You can then install the arbitrator package on a separate node (recommended) or on one of the nodes running mariadb-galera-server (not recommended).
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 Galerawsrep
provider. A 25.3.xwsrep
provider is included in the MariaDB repositories and is also available from thedownloads page.See the MariaDB 5.5.42 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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