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Cassandra High Availability

Cassandra High Availability

By : Strickland
4.6 (14)
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Cassandra High Availability

Cassandra High Availability

4.6 (14)
By: Strickland

Overview of this book

If you are a developer or DevOps engineer who understands the basics of Cassandra and are ready to take your knowledge to the next level, then this book is for you. An understanding of the essentials of Cassandra is needed.
Table of Contents (11 chapters)
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10
Index

Chapter 3. Replication

Replication is perhaps the most critical feature of a distributed data store, as it would otherwise be impossible to make any sort of availability guarantee in the face of a node failure. As you learned in Chapter 1, Cassandra's Approach to High Availability, Cassandra employs a sophisticated replication system that allows fine-grained control over replica placement and consistency guarantees.

In this chapter, we'll explore Cassandra's replication mechanism in depth, including the following topics:

  • The replication factor
  • How replicas are placed
  • How Cassandra resolves consistency issues
  • Maintaining replication factor during node failures
  • Consistency levels
  • Choosing the right replication factor and consistency level

At the end of this chapter, you'll be able understand how to configure replication and tune consistency for your specific use cases. You'll be able to intelligently choose options that will provide the fault tolerance and consistency...

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