Summary

This chapter has covered quite a few procedures for handling a variety of cluster changes, from adding a single node, to expanding with a new data center, to migrating your entire cluster.

While it would be unreasonable to expect anyone to commit all these processes to memory, let this chapter serve as a reference for the times when these sometimes rare events occur. And perhaps most importantly, take note of these scenarios so you can know when it's time to read the manual rather than just trying to figure it out on your own. Distributed databases can be wonderful when handled correctly, but quite unforgiving when misused.

We've spent the last five chapters looking at a variety of mostly administrative and design related concepts, but now it's time to dig in and look at some application code. In the next chapter, we will take a look at the native client library (specifically the Java variant, although there are also drivers for C# and Python that follow similar principles).

The native...