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, ...
