Announcement of Percona XtraDB Cluster (alpha release)

January 9, 2012

Author

Vadim Tkachenko

MySQL

Percona Software

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I am happy to announce the availability of alpha release of our new product Percona XtraDB Cluster.

Percona XtraDB Cluster is High Availability and Scalability solution for MySQL Users and based on Percona Server 5.5.17

Percona XtraDB Cluster provides:

Synchronous replication. Transaction either commited on all nodes or none.

Multi-master replication. You can write to any node.

Parallel applying events on slave. Real “parallel replication”.

Automatic node provisioning.

Data consistency. No more unsyncronised slaves.

Percona XtraDB Cluster is fully compatible with MySQL or Percona Server in the following meaning:

Data compatibility. Percona XtraDB Cluster works with databases created in MySQL / Percona Server

Application compatibility. There is no or minimal application changes required to start work with Percona XtraDB Cluster

Percona XtraDB Cluster is based on Percona Server with XtraDB and includes Write Set REPlication patches. It uses the Galera library, version 2.x, a generic Synchronous Multi-Master replication plugin for transactional applications.

The Galera library is developed by Codership Oy company and
Galera 2.x supports such new features as:

Incremental State Transfer, especially useful for WAN deployments

RSU, Rolling Schema Update. Schema change does not block operations against table

Please note, this is an alpha release, not suitable for production yet. Bugs and some rough edges are expected. We are encouraging you to try and play with it in testing environment and report us your feedback and experience.

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