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Redis Stack for Application Modernization

You're reading from Redis Stack for Application Modernization

Product type Book

Published in Dec 2023

Publisher Packt

ISBN-13 9781837638185

Pages 336 pages

Edition 1st Edition

Languages

Concepts

Database Administration

Authors (2):

Luigi Fugaro

Mirko Ortensi

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Table of Contents (18) Chapters

Preface

1. Part 1: Introduction to Redis Stack

2. Chapter 1: Introducing Redis Stack

3. Chapter 2: Developing Modern Use Cases with Redis Stack

4. Chapter 3: Getting Started with Redis Stack

5. Chapter 4: Setting Up Client Libraries

6. Part 2: Data Modeling

7. Chapter 5: Redis Stack as a Document Store

8. Chapter 6: Redis Stack as a Vector Database

9. Chapter 7: Redis Stack as a Time Series Database

10. Chapter 8: Understanding Probabilistic Data Structures

11. Part 3: From Development to Production

12. Chapter 9: The Programmability of Redis Stack

13. Chapter 10: RedisInsight – the Data Management GUI

14. Chapter 11: Using Redis Stack as a Primary Database

15. Chapter 12: Managing Development and Production Environments

16. Index

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17. Other Books You May Enjoy

Count-Min sketch

The Count-Min sketch probabilistic data structure, like HyperLogLog, counts the items that have been added, with the difference that the Count-Min sketch counts the number of times specific items have been added – that is, their frequency.

When using a Count-Min sketch data structure, any frequency counts below a predetermined threshold (established by the error rate) should be disregarded. The Count-Min sketch serves as a valuable tool for counting element frequencies in a data stream, especially when dealing with higher counts. Nevertheless, very low counts are often perceived as noise and are typically discarded in this context. To start using the data structure, we have the option to initialize it either based on the probabilities to be maintained or on the desired dimensions. It is important to note that the dimensions of the Count-Min sketch play a significant role because to merge two Count-Min sketches, they must have identical dimensions.

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Authors (2)

Luigi Fugaro

Luigi Fugaro's first encounter with computers was in the early 80s when he was a kid. He started with a Commodore Vic-20, passing through a Sinclair, a Commodore 64, and an Atari ST 1040, where he spent days and nights giving breath mints to Otis. In 1998, he started his career as a webmaster doing HTML, JavaScript, Applets, and some graphics with Paint Shop Pro. He then switched to Delphi, Visual Basic, and then started working on Java projects. He has been developing all kinds of web applications, dealing with backend and frontend frameworks. In 2012, he started working for Red Hat and is now an architect in the EMEA Middleware team. He has authored WildFly Cookbook and Mastering JBoss Enterprise Application Platform 7 by Packt Publishing.

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Mirko Ortensi

Mirko Ortensi earned a degree in Electronic Engineering and a Master's degree in Software Engineering. Mirko's career has spanned several roles from Software Engineering to Customer Support, particularly centered around distributed database systems. As a Senior Technical Enablement Architect at Redis, Mirko shares technical knowledge about Redis's products and services.

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