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From:Andrew Morgan Date:April 17 2013 12:14pm
Subject:MySQL Cluster 7.3.1 (DMR2) has been released
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Dear MySQL users,

MySQL Cluster 7.3.1 has been released as a Development Milestone Release (DMR) - note that
this means that the functionality has not yet been declared Generally Available (GA) and
so should not be used in production environments.

The easiest way to get up and running with this DMR load is to download the zip file or
tar archive from the page - under the development
tab - and then launch the auto-installer (setup.bat on Windows or bin/ndb_setup on Linux
or Solaris). The process should be intuitive but a walkthrough and tutorial video can be
found at 

A comprehensive description of what is delivered in MySQL Cluster 7.3.1 can be found in
the article at but in
summary the key enhancements delivered by MySQL Cluster 7.3:

  - Foreign Keys: Strengthens data modelling and simplifies application logic by
automatically enforcing referential integrity between different tables distributed on
different shards, on different nodes ... even in different data centers

  - NoSQL JavaScript Connector for Node.js: Enables a single programming language and a
single tool-chain by extending JavaScript from the client to the server, all the way
through to the database, bypassing the SQL layer to deliver lower latency and reduced
development cycles.

  - MySQL 5.6 Support: Developers can combine the InnoDB and MySQL Cluster NDB storage
engines within a single database, using the very latest MySQL 5.6 release.

  - Connection Thread Scalability: Increases cluster performance and capacity by improving
the throughput of each connection to the data nodes, thus reducing the number of
connections that need to be provisioned, and enabling greater scale-out headroom. Current
testing is showing up to 3x higher throughput per connection, enabling more client threads
to use each connection.

  - Auto-Installer: Get it all up and running in minutes! Graphically configure and
provision a production-grade cluster, automatically tuned for your workload and

MySQL Cluster enables users to meet the database challenges of next generation web, cloud,
and communications services with uncompromising scalability, uptime and agility. A demo
video for MySQL Cluster can be viewed at 

Andrew Morgan - MySQL High Availability Product Management 
MySQL Cluster 7.3.1 (DMR2) has been releasedAndrew Morgan17 Apr