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 ...
Get Cassandra 3.x High Availability - Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
