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MySQL Cluster 7.3.21 has been released
Posted by: Prashant Tekriwal
Date: April 20, 2018 04:59AM



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, Memcached
    and JavaScript/Node.js)

MySQL Cluster 7.3.21, 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/7.3/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 NDB Cluster 7.3.21 (5.6.39-ndb-7.3.21) (2018-04-20,
General Availability)

   MySQL NDB Cluster 7.3.21 is a new release of NDB Cluster,
   based on MySQL Server 5.6 and including features from version
   7.3 of the NDB storage engine, as well as fixing a number of
   recently discovered bugs in previous NDB Cluster releases.

   Obtaining MySQL NDB Cluster 7.3.  MySQL NDB Cluster 7.3
   source code and binaries can be obtained from
   http://dev.mysql.com/downloads/cluster/.

   For an overview of changes made in MySQL NDB Cluster 7.3, see
   What is New in NDB Cluster 7.3(
http://dev.mysql.com/doc/refman/5.6/en/mysql-cluster-what-is-new-7-3.html).

   This release also incorporates all bug fixes and changes made
   in previous NDB Cluster releases, as well as all bug fixes
   and feature changes which were added in mainline MySQL 5.6
   through MySQL 5.6.40 (see Changes in MySQL 5.6.40
   (2018-04-19, General Availability)(
http://dev.mysql.com/doc/relnotes/mysql/5.6/en/news-5-6-40.html)).

Bugs Fixed

     * NDB Cluster APIs: Incorrect results, usually an empty
       result set, were returned when setBound() was used to
       specify a NULL bound. This issue appears to have been
       caused by a problem in gcc, limited to cases using the
       old version of this method (which does not employ
       NdbRecord), and is fixed by rewriting the problematic
       internal logic in the old implementation. (Bug #89468,
       Bug #27461752)

     * Queries using very large lists with IN were not handled
       correctly, which could lead to data node failures. (Bug
       #27397802)

     * ndb_restore --print_data --hex did not print trailing 0s
       of LONGVARBINARY values. (Bug #65560, Bug #14198580)

On Behalf of Oracle/MySQL Release Engineering Team
Prashant Tekriwal

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