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Mastering MongoDB 7.0 - Fourth Edition

You're reading from Mastering MongoDB 7.0 - Fourth Edition

Product type Book

Published in Jan 2024

Publisher Packt

ISBN-13 9781835460474

Pages 434 pages

Edition 4th Edition

Languages

Concepts

Authors (7):

Marko Aleksendrić

Arek Borucki

Leandro Domingues

Malak Abu Hammad

Elie Hannouch

Rajesh Nair

Rachelle Palmer

View More author details

Table of Contents (20) Chapters

Preface

1. Chapter 1: Introduction to MongoDB

2. Chapter 2: The MongoDB Architecture

3. Chapter 3: Developer Tools

4. Chapter 4: Connecting to MongoDB

5. Chapter 5: CRUD Operations and Basic Queries

6. Chapter 6: Schema Design and Data Modeling

7. Chapter 7: Advanced Querying in MongoDB

8. Chapter 8: Aggregation

9. Chapter 9: Multi-Document ACID Transactions

10. Chapter 10: Index Optimization

11. Chapter 11: MongoDB Atlas: Powering the Future of Developer Data Platforms

12. Chapter 12: Monitoring and Backup in MongoDB

13. Chapter 13: Introduction to Atlas Search

14. Chapter 14: Integrating Applications with MongoDB

15. Chapter 15: Security

16. Chapter 16: Auditing

17. Chapter 17: Encryption

18. Index

Why subscribe?

19. Other Books You May Enjoy

Monitoring memory usage in WiredTiger

WiredTiger is MongoDB's default storage engine, known for its efficiency and scalability. When you initiate MongoDB with WiredTiger, it establishes an internal memory cache. How sizable is this cache? By default, it's roughly half of the RAM you have, minus 1 GB. Therefore, if you have 16 GB RAM the internal cache is set to about 7.5 GB. But that's not all the memory MongoDB uses. It also sets aside some memory for tasks such as handling connections and sorting data. MongoDB also takes advantage of any extra memory your system has to further improve its performance.

If you want to check or change the WiredTiger cache settings, you can use the MongoDB Shell. Using the parameter storage.wiredTiger.engineConfig.cacheSizeGB, lets you adjust the cache size.

Note

It's usually best to stick with the default cache size. But if your data is highly compressed, you may consider reducing the cache, say by 10-20% to free up some...

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Authors (7)

Marko Aleksendrić

Marko Aleksendrić is an analyst, an ex-scientist, and a freelance self-taught web developer with over 20 years of experience. Marko has authored the book Modern Web Development with the FARM Stack, published by Packt Publishing. With a keen interest in backend and frontend development, he has been an avid MongoDB user for the last 15 years for various web and data analytics-related projects, with Python and JavaScript as his main tools.

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Arek Borucki

Arek Borucki, a recognized MongoDB Champion and certified database administrator, has been working with MongoDB technology since 2016. As principal SRE database engineer, he works closely with technologies such as MongoDB, Elasticsearch, PostgreSQL, Kafka, Kubernetes, Terraform, AWS, and GCP. His extensive experience includes working with renowned companies such as Amadeus, Deutsche Bank, IBM, Nokia, and Beamery. Arek is also a Certified Kubernetes Administrator and developer, an active speaker at international conferences, and a co-author of questions for the MongoDB Associate DBA Exam.

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Leandro Domingues

Leandro Domingues is a MongoDB Community Champion and a Microsoft Data Platform MVP alumnus. Specializing in NoSQL databases, focusing on MongoDB, he has authored several articles and is also a speaker and organizer of events and conferences. In addition to teaching MongoDB, he was a professor at one of the largest universities in Brazil. Leandro is passionate about MongoDB and is a mentor and an inspiration to many developers and administrators. His efforts make MongoDB a more comprehensible tool for everyone.

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Malak Abu Hammad

Malak Abu Hammad is a seasoned software engineering manager at Chain Reaction, with a decade of expertise in MongoDB. She has carved a niche for herself not only in MongoDB but also in essential web app technologies. Along with conducting various online and offline workshops, Malak is a MongoDB Champion and a founding member of the MongoDB Arabic Community. Her vision for MongoDB is a future with an emphasis on Arabic localization, aimed at bridging the gap between technology and regional dialects.

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Elie Hannouch

Elie Hannouch is a senior software engineer and digital transformation expert. A driving force in the tech industry, he has a proven track record of delivering robust, scalable, and impactful solutions. As a start-up founder, Elie combines his extensive engineering background with strategic innovation to redefine how enterprises operate in today's digital age. Apart from being a MongoDB Champion, Elie leads the MongoDB, Google, and CNCF communities in Lebanon and works toward empowering aspiring tech professionals by demystifying complex concepts and inspiring a new generation of tech enthusiasts.

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Rajesh Nair

Rajesh Nair is a software professional from Kerala, India, with over 12 years of experience working in various MNCs. He started his career as a database administrator for multiple RDBMS technologies, including Progress OpenEdge and MySQL. Rajesh also managed huge datasets for critical applications running on MongoDB as a MongoDB administrator for several years. He has worked on technologies such as MongoDB, AWS, Java, Kafka, MySQL, Progress OpenEdge, shell scripting, and Linux administration. Rajesh is currently based out of Amsterdam, Netherlands, working as a senior software engineer.

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Rachelle Palmer

Rachelle Palmer is the Product Leader for Developer Database Experience and Developer Education at MongoDB, overseeing the driver client libraries, documentation, framework integrations, and MongoDB University. She has built sample applications for MongoDB in Java, PHP, Rust, Python, Node.js, and Ruby. Rachelle joined MongoDB in 2013 and was previously the director of the technical services engineering team, creating and managing the team that provided support and CloudOps to MongoDB Atlas.

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