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

Operating Redis using bin/redis-cli

The command-line tool bin/redis-cli is extremely helpful for operating Redis instances. Several usages have been demonstrated in previous recipes. In this recipe, we will introduce other useful practical operations of bin/redis-cli.

Getting ready…

You need to finish the installation of Redis Server, as we described in the Downloading and installing Redis recipe in Chapter 1, Getting Started with Redis.

How to do it...

To show how to operate Redis using redis-cli, take the following steps:

  1. To run a command using bin/redis-cli, just append the command you want to run after bin/redis-cli:
$ bin/redis-cli HMSET hashkeyA field1 value1 feild2 value2
  1. To get the raw format of a command output, use the option --raw:
$ bin/redis-cli --raw HGETALL hashkeyA


Without the option --raw, you will obtain the output for better human readability by default:$ bin/redis-cli hgetall hashkeyA1) "field1"2) "value1"3) "feild2"4) "value2"

  1. To get the CSV...