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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 6.2.4 (5.1.19-ndb-6.2.4) (2007-07-04)

Changes in MySQL Cluster NDB 6.2.4 (5.1.19-ndb-6.2.4) (2007-07-04)

This is a bugfix release, fixing recently discovered bugs in the previous MySQL Cluster NDB 6.2 release.

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 all bugfixes and changes made in previous MySQL Cluster releases, as well as all bugfixes and feature changes which were added in mainline MySQL 5.1 through MySQL 5.1.19 (see Changes in MySQL 5.1.19 (2007-05-25)).


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

Bugs Fixed

  • When restarting a data node, queries could hang during that node's start phase 5, and continue only after the node had entered phase 6. (Bug #29364)

  • Replica redo logs were inconsistently handled during a system restart. (Bug #29354)

  • Disk Data: Performing Disk Data schema operations during a node restart could cause forced shutdowns of other data nodes. (Bug #29501)

  • Disk Data: Disk data meta-information that existed in ndbd might not be visible to mysqld. (Bug #28720)

  • Disk Data: The number of free extents was incorrectly reported for some tablespaces. (Bug #28642)

  • Batching of transactions was not handled correctly in some cases. (Bug #29525)