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Introducing InnoDB Cluster: Learning the MySQL High Availability Stack by Charles Bell

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© Charles Bell 2018
Charles BellIntroducing InnoDB Clusterhttps://doi.org/10.1007/978-1-4842-3885-1_6

6. MySQL Router

Charles Bell1 
(1)
Warsaw, Virginia, USA
 

Now that you understand how InnoDB Cluster works and have seen a short demonstration of how to quickly configure a test cluster using the AdminAPI via MySQL Shell, there is one more part of InnoDB Cluster you need in order to make your applications truly highly available.

Consider for a moment what an application will do if we connect to the cluster and the machine we’re connected to goes offline. We know that the cluster can recover from such a loss (assuming the number of servers in the group is sufficient (see Chapter 3)), but what do we do about our applications? If the server goes offline, ...

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