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Diogo Resende - Node.js High Performance

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Diogo Resende Node.js High Performance
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Node.js High Performance: summary, description and annotation

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Take your application to the next level of high performance using the extensive capabilities of Node.js


About This Book
  • Analyze, benchmark, and profile your Node.js application to find slow spots, and push it to the limit by eliminating performance bottlenecks
  • Learn the basis of performance analysis using Node.js
  • Explore the high performance capabilities of Node.js, along with best practices

In Detail

Node.js is a tool written in C, which allows you to use JavaScript on the server-side. High performance on a platform like Node.js is knowing how to take advantage of every aspect of your hardware, helping memory management act at its best, and correctly deciding how to architect a complex application. Do not panic if your applications start consuming a lot of memory; instead spot the leak and solve it fast with Node.js by monitoring and stopping it before it becomes an issue.

This book will provide you with the skills you need to analyze the performance of your application and monitor the aspects that can and should be. Starting with performance analysis concepts and their importance in helping Node.js developers eliminate performance bottlenecks, this book will take you through development patterns to avoid performance penalties. You will learn the importance of garbage collection and its behaviour,and discover how to profile your processor, allowing better performance and scalability.

You will then learn about the different types of data storage methods. Moving on, you will get to grips with testing and benchmarking applications to avoid unknown application test zones. Lastly, you will explore the limits that external components can impose in your application in the form of bottlenecks.

By following the examples in each chapter, you will discover tips to getting better performing applications by avoiding anti-patterns and stretching the limits of your environment as much as possible.


What You Will Learn
  • Develop applications using well-defined and well-tested development patterns
  • Explore memory management and garbage collection to improve performance
  • Monitor memory changes and analyze heap snapshots
  • Profile the CPU and improve your code to avoid patterns that force intensive processor usage
  • Understand the importance of data and when you should cache information.
  • Learn to to always test your code and benchmark when needed
  • Extend your applications scope and know what other elements can influence performance

Who This Book Is For

This bookis for Node.js developers who want a more in-depth knowledge of the platform to improve the performance of their applications. Whether you have a base Node.js background or you are an expert who knows the garbage collector and wants to leverage it to make applications more robust, the examples in this book will benefit you.


Style and approach

This is a practical guide to learning high performance, which even the least experienced developer will comprehend. Small and simple examples help you test concepts yourself and easily adapt them to any application, boosting its performance and preparing it for the real-world.

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Node.js High Performance

Node.js High Performance

Copyright 2015 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

First published: August 2015

Production reference: 1120815

Published by Packt Publishing Ltd.

Livery Place

35 Livery Street

Birmingham B3 2PB, UK.

ISBN 978-1-78528-614-8

www.packtpub.com

Credits

Author

Diogo Resende

Reviewers

Abhishek Dey

Glenn Geenen

Stefan Lapers

Aravind V.S

Commissioning Editor

Ashwin Nair

Acquisition Editor

Sonali Vernekar

Content Development Editor

Rashmi Suvarna

Technical Editor

Utkarsha S. Kadam

Copy Editor

Vikrant Phadkay

Project Coordinator

Judie Jose

Proofreader

Safis Editing

Indexer

Rekha Nair

Production Coordinator

Manu Joseph

Cover Work

Manu Joseph

About the Author

Diogo Resende is a passionate developer obsessed with perfection in everything he works on. He loves everything about the Internet of Things, which is the ability to connect everything together and always be connected to the world.

He studied computer science and graduated in engineering. At that time, he deepened his knowledge of computer networking and security, software development, and cloud computing. Over the past 10 years, Diogo has embraced different challenges to develop applications and services to connect people with embedded devices around the world, building a bridge between old and uncommon protocols and the Internet of today.

ThinkDigital has been his employer and a major part of his life for the last few years. It offers services and expertise in areas such as computer networking and security, automation, smart metering, and fleet management and intelligence. Diogo has also published many open source projects. You can find them all, with an MIT license style, on his personal GitHub page under the username dresende.

First of all, I would like to thank my wife, Ana, for putting up with my late-night writing sessions. She has given me enough of the space and tranquility that I needed to take up this challenge. I would also like to thank my son, Manuel, for being born exactly when I started writing the book, for stealing my attention but also making my days happier, and for giving me the strength to carry on and overcome every obstacle.

Last but not least, I would like to thank everyone in my company for putting up with me. I thank my business associate, Nuno, and my work colleagues Slvia, Luis, and Helder for collaborating and helping the company go ahead and achieve all our dreams.

About the Reviewers

Abhishek Dey was born in Bandel, West Bengal, India. He holds an MS degree in computer engineering from the University of Florida, Gainesville, USA. His research interests lie primarily in the fields of compiler design, computer security, networks, data mining, analyses of algorithms, and concurrency and parallelism. He is a passionate programmer, who started programming in C and Java at the age of 10. Shortly afterwards, he developed a strong interest in web technologies and system implementation.

Abhishek possesses profound expertise in developing high-volume software using C++, Java, C#, JavaScript, jQuery, AngularJS, and HTML5. He also enjoys coding in functional programming languages, such as SML. Some of his recent projects can be found at https://github.com/deyabhishek.

He is a Microsoft Certified Professional, an Oracle Certified Java Programmer, an Oracle Certified Professional Java EE Web Component Developer, and an Oracle Certified Professional Java EE Business Component Developer.

In his leisure time, Abhishek loves to listen to music, travel to interesting places, and paint something on canvas, giving colors to his imagination. More information about him can be found at http://abhishekdey.com.

He has reviewed Kali Linux CTF Blueprints , AngularJS UI Development , RESTful Web API Design with Node.js , and Mastering AngularJS for .NET Developers , all by Packt Publishing.

Glenn Geenen is a Node.js developer with a background in game and mobile development. He worked mostly as an iOS consultant before becoming a Node.js consultant for his own company, GeenenTijd.

Stefan Lapers started his career almost 20 years ago as an IT support engineer. Then, he quickly grew in the field of Linux/Unix system engineering and software development.

Over the years, he has gained experience in deploying and maintaining hosted application solutions while working for prominent customers, such as MTV, TMF, and many more. In recent years, Stefan was involved in multiple development projects and their delivery as services on the Internet.

In his spare time, he enjoys being with his family and flying remotely controlled helicopters.

Aravind V.S is an aspiring mind and a creative brain to look forward to in the field of technology. He is a successful entrepreneur, developer, and technology consultant whose interest in embedded systems and computers paved his way into the programming world at the age of 15. At that time, he developed a full-fledged stock and inventory management system for a family friend. He has cofounded Entity Business Foundations, a web and mobile technology start-up based in Kerala (https://teamebf.com/); founded ioStash, an open source Internet of Things platform (http://iostash.com/); and tailored cloud:VAR, an open source backendless web application framework (http://cloudvar.org/) written in NodeJS and MongoDB.

In his spare time, Aravind can be found outdoors, focusing his camera, reading books, or writing articles for his blog at >.

I would like to take this opportunity to thank my friendsHarikrishnan, Abdulla Ahsan, and Muhammed Anasand my parents for their support in completing the review of this book. Thanks especially to my best friend, Kavya Babu, for her enduring support, encouragement, and faith in me, without which I wouldn't have been what I am today. Above all, I'd like to thank the Almighty for giving me everything I needed at the right time.

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