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MySQL NDB Cluster 6.1 - 7.1 Release Notes
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MySQL NDB Cluster 6.1 - 7.1 Release Notes  /  Changes in MySQL Cluster NDB 6.2  /  Changes in MySQL Cluster NDB 6.2.0 (5.1.16-ndb-6.2.0) (2007-03-03, Beta)

Changes in MySQL Cluster NDB 6.2.0 (5.1.16-ndb-6.2.0) (2007-03-03, Beta)

This is the first MySQL Cluster NDB 6.2 development release, based on version 6.2 of the NDB storage engine.

MySQL Cluster NDB 6.2 no longer in development.  MySQL Cluster NDB 6.2 is no longer being developed or maintained; if you are using a MySQL Cluster NDB 6.2 release, you should upgrade to the latest version of MySQL Cluster, which is available from .

Obtaining MySQL Cluster NDB 6.2.  You can download the latest MySQL Cluster NDB 6.2 source code and binaries for supported platforms from

This Beta release incorporates bugfixes and changes made in previous MySQL Cluster releases, as well as all bugfixes and feature changes which were added in mainline MySQL 5.1 through MySQL 5.1.16 (see Changes in MySQL 5.1.16 (2007-02-26)).


Please refer to our bug database at for more details about the individual bugs fixed in this version.

Functionality Added or Changed

  • An --ndb-wait-connected option has been added for mysqld. When used, it causes mysqld wait a specified amount of time to be connected to the cluster before accepting client connections.

  • Cluster API: The Ndb::startTransaction() method now provides an alternative interface for starting a transaction.

  • Cluster API: It is now possible to iterate over all existing NDB objects using three new methods of the Ndb_cluster_connection class:

  • It is now possible to disable arbitration by setting ArbitrationRank equal to 0 on all nodes.

  • A new TcpBind_INADDR_ANY configuration parameter enables data nodes node to bind INADDR_ANY instead of a host name or IP address in the config.ini file.

  • Memory allocation has been improved on 32-bit architectures that enables using close to 3GB for DataMemory and IndexMemory combined.