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MySQL 8.0 Reference Manual  /  ...  /  Upgrading and Downgrading NDB Cluster

22.2.8 Upgrading and Downgrading NDB Cluster

This section provides information about NDB Cluster software and table file compatibility between different NDB Cluster 8.0 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 an NDB Cluster prior to attempting an upgrade or downgrade. See Section 22.3, “Configuration of NDB Cluster”.

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 NDB Cluster software. See Section 2.11.1, “Upgrading MySQL”.

The table shown here provides information on NDB Cluster upgrade and downgrade compatibility among different releases of NDB 8.0. Additional notes about upgrades and downgrades to, from, or within the NDB Cluster 8.0 release series can be found following the table.

Upgrades and Downgrades, NDB Cluster 8.0

Figure 22.25 NDB Cluster Upgrade and Downgrade Compatibility, MySQL NDB Cluster 8.0

Image is titled "MySQL NDB Cluster 8.0" and includes rows with the values "8.0.8" on top and "8.0.1" at the bottom with every 8.0.x cluster release in-between. To the left are arrows pointing up and down. Under this section is an area titled "Key" that explains the up and down arrow as "Online upgrades and downgrades possible". The top value, "8.0.13" today, represents the latest release today but this text might not be updated.


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