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

Connecting to Redis with Python

There are a couple of Python clients for connecting to Redis. In this recipe, we will briefly introduce how to use the Python Redis client, redis-py.

Getting ready…

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

You need to have Python 2.6+ or 3.4+ installed.

How to do it...

To show how to connect to Redis with Python, first of all, we need to install the redis-py library. With the help of PyPI, redis-py can be easily installed by running:

pip install redis

Connecting to the Redis Server

Now let's create with the following code:

The demo application will print the following lines:

Address for Extreme Pizza is 300 Broadway, New York, NY 10011 
Favorite Restaurants: [Olive Garden, PF Chang's, Olive Garden, PF Chang's, Indian Tandoor, Longhorn Steakhouse, Outback Steakhouse, Red Lobster, Outback Steakhouse, Red Lobster] 

Using pipelines

Redis pipelines...