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MySQL 5.6 Reference Manual
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18.1.4 What is New in NDB Cluster

This section lists changes in the implementation of NDB Cluster in MySQL NDB Cluster 7.3 and NDB Cluster 7.4, as compared to NDB Cluster 7.2 and earlier releases. Changes and features most likely to be of interest are shown in the following two tables:

NDB Cluster 7.3
NDB Cluster 7.3 is based on MySQL 5.6. For more information about new features in MySQL Server 5.6, see Section 1.4, “What Is New in MySQL 5.6”.
NDB Cluster 7.3 supports foreign key constraints on tables. See Section 1.7.3.2, “FOREIGN KEY Constraints”, and Section 13.1.17.5, “Using FOREIGN KEY Constraints”, for more information.
NDB Cluster 7.3 provides support for Node.js using the MySQL NoSQL Connector for JavaScript. See MySQL NoSQL Connector for JavaScript, for more information.
NDB Cluster 7.4
NDB Cluster 7.4 is based on MySQL 5.6 (For more information about new features in MySQL Server 5.6, see Section 1.4, “What Is New in MySQL 5.6”)
NDB Cluster Replication conflict detection and resolution enhancements, including extensions to conflict exceptions tables (see Section 18.6.11, “NDB Cluster Replication Conflict Resolution”)
Improvements in the management of circular (active-active) replication; primary/secondary assignment with ndb_slave_conflict_role
Per-fragment memory usage reporting in the memory_per_fragment table
A number of performance improvements, including the following enhancements:
Improved error and other reporting during node restarts

This section contains information about NDB Cluster 7.4 releases through 5.6.34-ndb-7.4.14, which is a recent General Availability release still supported for new deployments, as well as NDB Cluster 7.3, a previous GA release still supported in production for existing deployments. NDB Cluster 7.2 is also a previous GA release series which is still supported in production. We recommend that new deployments use NDB Cluster 7.4 or NDB Cluster 7.5, which is the latest GA release. For information about features added NDB Cluster 7.2 and previous NDB Cluster releases, see What is New in NDB Cluster in NDB Cluster 7.2. For information about features added in NDB Cluster 7.5, see What is New in MySQL NDB Cluster 7.5.


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