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MySQL Cluster 7.2.25 has been released




Dear MySQL Users,

MySQL Cluster is the distributed, shared-nothing variant of MySQL.
This storage engine provides:

  - In-Memory storage - Real-time performance (with optional
    checkpointing to disk)
  - Transparent Auto-Sharding - Read & write scalability
  - Active-Active/Multi-Master geographic replication
  - 99.999% High Availability with no single point of failure
    and on-line maintenance
  - NoSQL and SQL APIs (including C++, Java, http and Memcached)

MySQL Cluster 7.2.25, has been released and can be downloaded from

  http://www.mysql.com/downloads/cluster/

where you will also find Quick Start guides to help you get your
first MySQL Cluster database up and running.

The release notes are available from

  http://dev.mysql.com/doc/relnotes/mysql-cluster/7.2/en/index.html

MySQL Cluster enables users to meet the database challenges of next
generation web, cloud, and communications services with uncompromising
scalability, uptime and agility.

More details can be found at

  http://www.mysql.com/products/cluster/

Enjoy !

Changes in MySQL Cluster NDB 7.2.25 (5.5.50-ndb-7.2.25) (2016-07-18)

   MySQL Cluster NDB 7.2.25 is a new release of MySQL Cluster,
   incorporating new features in the NDB storage engine, and
   fixing recently discovered bugs in previous MySQL Cluster NDB
   7.2 development releases.

   Obtaining MySQL Cluster NDB 7.2.  MySQL Cluster NDB 7.2
   source code and binaries can be obtained from
   http://dev.mysql.com/downloads/cluster/.

   This release also incorporates all bugfixes and changes made
   in previous MySQL Cluster releases, as well as all bugfixes
   and feature changes which were added in mainline MySQL 5.5
   through MySQL 5.5.50 (see Changes in MySQL 5.5.50
   (2016-06-02)
   (http://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-50.html)).

   Bugs Fixed

     * Incompatible Change: When the data nodes are only
       partially connected to the API nodes, a node used for a
       pushdown join may get its request from a transaction
       coordinator on a different node, without (yet) being
       connected to the API node itself. In such cases, the
       NodeInfo object for the requesting API node contained no
       valid info about the software version of the API node,
       which caused the DBSPJ block to assume (incorrectly) when
       aborting to assume that the API node used NDB version
       7.2.4 or earlier, requiring the use of a backward
       compatability mode to be used during query abort which
       sent a node failure error instead of the real error
       causing the abort.
       Now, whenever this situation occurs, it is assumed that,
       if the NDB software version is not yet available, the API
       node version is greater than 7.2.4. (Bug #23049170)

On behalf of Oracle MySQL RE team
Gipson Pulla

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