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Pro MySQL NDB Cluster
book

Pro MySQL NDB Cluster

by Jesper Wisborg Krogh, Mikiya Okuno
November 2017
Intermediate to advanced content levelIntermediate to advanced
700 pages
23h 12m
English
Apress
Content preview from Pro MySQL NDB Cluster
© Jesper Wisborg Krogh and Mikiya Okuno 2017
Jesper Wisborg Krogh and Mikiya OkunoPro MySQL NDB Clusterhttps://doi.org/10.1007/978-1-4842-2982-8_11

11. Upgrades and Downgrades

Jesper Wisborg Krogh and Mikiya Okuno2
(1)
Sydney, New South Wales, Australia
(2)
Tochigi, Japan
 
In many database deployments, upgrades and downgrades are painpoints, as they require an outage. For this reason, the ability to perform online upgrades and downgrades is one of the important features of MySQL NDB Cluster. Online upgrades and downgrades are supported both for patch release changes (for example 7.5.4 to 7.5.5) as well as for major version changes (for example 7.4.13 to 7.5.4). From a technical perspective, there is little difference between an upgrade and a downgrade, ...
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Publisher Resources

ISBN: 9781484229828Purchase bookPublisher Website