Book Image

Mastering Redis

By : Vidyasagar N V, Jeremy Nelson
Book Image

Mastering Redis

By: Vidyasagar N V, Jeremy Nelson

Overview of this book

Redis is the most popular, open-source, key value data structure server that provides a wide range of capabilities on which multiple platforms can be be built. Its fast and flexible data structures give your existing applications an edge in the development environment. This book is a practical guide which aims to help you deep dive into the world of Redis data structure to exploit its excellent features. We start our journey by understanding the need of Redis in brief, followed by an explanation of Advanced key management. Next, you will learn about design patterns, best practices for using Redis in DevOps environment and Docker containerization paradigm in detail. After this, you will understand the concept of scaling with Redis cluster and Redis Sentinel , followed by a through explanation of incorporating Redis with NoSQL technologies such as Elasticsearch and MongoDB. At the end of this section, you will be able to develop competent applications using these technologies. You will then explore the message queuing and task management features of Redis and will be able to implement them in your applications. Finally, you will learn how Redis can be used to build real-time data analytic dashboards, for different disparate data streams.
Table of Contents (18 chapters)
Mastering Redis
About the Author
About the Reviewers

Using Redis Cluster

As a production-level clustering solution for an enterprise Redis cluster has a mature set of tools for performing management functions related to running cluster of Redis nodes. Redis cluster supports the following functions primarily through an included Ruby script, redis-trib.rb utility:

  • Resharding and failover

  • Moving or creating new allocations of hash slots in the cluster

  • Handling error conditions such as master failing

  • Adding or replacing master or slave nodes in the cluster

  • Upgrading a master or slave instance

To test these various functions in Redis cluster, we will return to the area code example introduced earlier in the chapter and migrate our list-based solution to use Redis cluster instead of our custom client code. Building from the official Redis cluster tutorial example at, we will run the simplest recommended three master with three slave Redis cluster. The create-cluster utility bundled with Redis is the easiest method...