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MySQL NDB Cluster 6.1 - 7.1 Release Notes  /  Changes in MySQL Cluster NDB 6.3  /  Changes in MySQL Cluster NDB 6.3.31b (5.1.41-ndb-6.3.31b) (2010-02-18)

Changes in MySQL Cluster NDB 6.3.31b (5.1.41-ndb-6.3.31b) (2010-02-18)

This is a replacement release for MySQL Cluster NDB 6.3.31a, fixing a critical issue in that version that was discovered shortly after its release (Bug #51256). MySQL Cluster NDB 6.3.31b is identical in all other respects to MySQL Cluster NDB 6.3.31a. Users of MySQL Cluster NDB 6.3.31 or MySQL Cluster NDB 6.3.31a should upgrade to the 6.3.31b release as soon as possible. Users of previous MySQL Cluster releases should bypass the 6.3.31 and 6.3.31a releases, and upgrade to 6.3.31b instead.

Obtaining MySQL Cluster NDB 6.3.31b.  This is a source-only release. You can obtain the GPL source code for MySQL Cluster NDB 6.3.31b from You can also access the MySQL Cluster NDB 6.3 development source tree at

This 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 5.1.41 (see Changes in MySQL 5.1.41 (2009-11-05)).


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

Bugs Fixed

  • Setting IndexMemory greater than 2GB could cause data nodes to crash while starting. (Bug #51256)