Book Image

Redis 4.x Cookbook

Book Image

Redis 4.x Cookbook

Overview of this book

Redis is considered the world's most popular key-value store database. Its versatility and the wide variety of use cases it enables have made it a popular choice of database for many enterprises. Based on the latest version of Redis, this book provides both step-by-step recipes and relevant the background information required to utilize its features to the fullest. It covers everything from a basic understanding of Redis data types to advanced aspects of Redis high availability, clustering, administration, and troubleshooting. This book will be your great companion to master all aspects of Redis. The book starts off by installing and configuring Redis for you to get started with ease. Moving on, all the data types and features of Redis are introduced in detail. Next, you will learn how to develop applications with Redis in Java, Python, and the Spring Boot web framework. You will also learn replication tasks, which will help you to troubleshoot replication issues. Furthermore, you will learn the steps that need to be undertaken to ensure high availability on your cluster and during production deployment. Toward the end of the book, you will learn the topmost tasks that will help you to troubleshoot your ecosystem efficiently, along with extending Redis by using different modules.
Table of Contents (21 chapters)
Title Page
Packt Upsell
Windows Environment Setup

Administrating Redis Cluster

Due to its full-mesh topology and failover mechanism, Redis Cluster is more complicated than a single master-slave Redis architecture. It's of great importance for those who do the administration to learn how to obtain the running topology and status of the Cluster. Moreover, one of the great benefits of using Redis Cluster is its flexibility to add or remove nodes easily. These operations are quite common when you use Redis Cluster.

In this recipe, we will guide you on how to perform common administration operations in Redis Cluster.

Getting ready…

You need to finish the Setting up Redis Cluster recipe in this chapter. You also need a host with redis-cli installed as a Redis client to the Cluster. For the demonstration environment, you can refer to the table provided in the Getting ready section of the Testing Redis Cluster recipe.

How to do it...

The operations for administrating Redis Cluster are as follows:

  1. Fetch the state of the Cluster:
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