17.2.8. Upgrading and Downgrading MySQL Cluster NDB 7.3

This section provides information about MySQL Cluster software and table file compatibility between different MySQL Cluster NDB 7.3 releases with regard to performing upgrades and downgrades as well as compatibility matrices and notes. You are expected already to be familiar with installing and configuring a MySQL Cluster prior to attempting an upgrade or downgrade. See Section 17.3, "Configuration of MySQL Cluster NDB 7.3".

Important

Only compatibility between MySQL versions with regard to NDBCLUSTER is taken into account in this section, and there are likely other issues to be considered. As with any other MySQL software upgrade or downgrade, you are strongly encouraged to review the relevant portions of the MySQL Manual for the MySQL versions from which and to which you intend to migrate, before attempting an upgrade or downgrade of the MySQL Cluster software. See Section 2.11.1, "Upgrading MySQL".