101 Green Software
A Practical Guide for Developers & Architects
Grab this book now to be among the first to learn about Green Software Engineering and make an impact by helping prevent climate change!
About
About the Book
Did you know that the greenhouse gas emissions from software applications surpassed those of the aviation industry in 2021? As our reliance on technology continues to grow worldwide, so does the environmental impact of software applications.
But as software developers, we have the power to make a positive impact in the fight against climate change. That's where this book comes in.
101 Green Software provides practical guidelines for building sustainable software that reduces the resources needed for running data centers, networks, and end-user devices. By following these guidelines, you can significantly reduce your carbon footprint while saving on cloud bills.
Whether you're looking to re-architect existing applications or build new ones from scratch, this book will show you how to make a meaningful difference in the world. With minimal development effort, you can create environmentally friendly software that helps prevent climate change.
Don't miss out on the opportunity to be part of the solution. Buy 101 Green Software today and join the growing movement of developers committed to building a better, greener world.
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Author
About the Author
Ioannis Kolaxis
Ioannis Kolaxis is a Director at Accenture Technology Sustainability Innovation, focusing on Green Software innovations. He has been previously developing software for Atos, IBM, and Siemens.
Ioannis was a kid in primary school when he first saw the green screen with the blinking cursor of an Amstrad CPC6128. This computer opened a new world to him, a world of continuous exploration and creation through programming.
He invented a novel way of working remotely, having filed five patents for software solutions. He was awarded twice the first prize for coming up with the most innovative ideas at Atos Innovation Week 2020 and 2021.
Ioannis frequently speaks at conferences and meetups, including GOTO Amsterdam 2022, Devoxx Ukraine 2021, and Oracle Code One 2019.
Visit his website to learn more: https://kolaxis.dev
Contents
Table of Contents
About this book
- What can you do to prevent climate change?
- Software decarbonization
- Decarbonized software
- How can you build green software?
- The author’s perspective
1Don’t send your data around the world
- 1.1Place your servers close to your end-users
- 1.2Reduce the size of data sent over the network
- Filter out unnecessary data
- Compress data
- Cache data
- 1.3Process data at its source
- 1.4Adopt energy-efficient protocols
- How HTTP/2 works
- Energy efficiency of HTTP/2
- 1.5Summary
2Run your software on carbon-free electricity
- 2.1Carbon-free electricity explained
- 2.2Electricity mix in power grids
- Base load
- Intermediate load
- Peak load
- 2.3Assessing the electricity mix
- 2.4Choose a data center that consumes carbon-free energy
- 2.5Run your code when the sun shines
- 2.6Send your code where the sun shines
- Run your code where it’s cold outside
- Build a green Kubernetes scheduler
- 2.7Summary
3Get rid of redundant servers
- 3.1Redundant servers explained
- 3.2Adopt containers for high availability
- 3.3Leverage automation for high availability
- 3.4Get rid of redundant data centers
- 3.5Trade-offs
- 3.6Summary
4Introduce a stop/start mechanism
- 4.1Run your application as serverless functions
- 4.2Run your application as serverless containers
- 4.3Prefer serverless services
- 4.4Trade-offs
- 4.5Summary
5Adopt green programming languages
- 5.1Prefer compiled languages
- 5.2Should you rewrite your application?
- 5.3Summary
6Decarbonize Java applications
- 6.1Upgrade to the latest version of Java
- Benefit from compact strings
- Enable Application Class-Data Sharing
- Shrink your Java Runtime Environment
- 6.2Use a JVM that consumes less memory
- 6.3Use a Java framework that consumes less memory
- 6.4Summary
7How green is your software?
- 7.1Reduce cloud costs for greener applications
- Get your cloud application Well-Architected
- 7.2Can you assign energy labels to software applications?
- What are the boundaries of your application?
- How does your application compare to others?
- 7.3Measure software carbon emissions
- From annual reporting to daily monitoring of carbon emissions
- How to monitor software carbon emissions
- Identify carbon emission hotspots
- Track proxy sustainability metrics
- How will you monitor the greenness of your software?
- 7.4Summary
8How will you contribute?
- 8.1Set priorities
- 8.2Take your first steps
- 8.3Track your progress
- 8.4Reinvent software development
Book rating
References
Author biography
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