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Mastering Redis

Mastering Redis

By : Vidyasagar N V, Nelson
3.3 (3)
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Mastering Redis

Mastering Redis

3.3 (3)
By: Vidyasagar N V, 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 (13 chapters)
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12
Index

Advanced Lua scripting with Redis

Now that we have a basic understanding of Lua scripting in Redis, we will see how we might refactor a few examples from the previous chapters to use Lua scripts. We'll also note potential problems that might occur while using Lua scripting including introducing hidden complexities and harmful performance implications of these changes. Lua scripting is a valuable tool, but must be used in the context of its limitations with server-side scripts in Redis.

In Chapter 3, Managing RAM: Tips and Techniques for Redis Memory Management, we will modified our tea and coffee Python code to use Lua scripts for bitmap operations, and finally, in Chapter 4, Programming Redis Part One: Redis Core, Clients, and Languages, we modified both the linked data fragments as well as our Node.js applications to use Lua scripts.

MARC21 ingestion

From our first chapter example of ingesting the MARC21 records into a Redis key schema structure, we'll use a loaded Lua script....

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