0

Explore Products

Best Sellers

New Releases

Books

Videos

Audiobooks

Free Learning

Mastering Go – Third Edition

You're reading from Mastering Go – Third Edition Harness the power of Go to build professional utilities and concurrent servers and services

Product type Paperback

Published in Aug 2021

Publisher Packt

ISBN-13 9781801079310

Length 682 pages

Edition 3rd Edition

Languages

Go

Tools

gRPC

Concepts

Programming Language

Author (1):

Mihalis Tsoukalos

View More author details

Table of Contents (17) Chapters

Preface

1. A Quick Introduction to Go

2. Basic Go Data Types FREE CHAPTER

3. Composite Data Types

4. Reflection and Interfaces

5. Go Packages and Functions

6. Telling a UNIX System What to Do

7. Go Concurrency

8. Building Web Services

9. Working with TCP/IP and WebSocket

10. Working with REST APIs

11. Code Testing and Profiling

12. Working with gRPC

13. Go Generics

14. Other Books You May Enjoy

15. Index

Appendix A – Go Garbage Collector

Exposing metrics to Prometheus

Imagine that you have an application that writes files to disk and you want to get metrics for that application to better understand how the writing of multiple files has an effect on the general performance—you need to gather performance data for understanding the behavior of your application. Although the presented application uses the gauge type of metric only because it is what is appropriate for the information that is sent to Prometheus, Prometheus accepts many types of data. The list of supported data types for metrics is the following:

Counter: This is a cumulative value that is used for representing increasing counters—the value of a counter can stay the same, go up, or be reset to zero but cannot decrease. Counters are usually used for representing cumulative values such as the number of requests served so far, the total number of errors, etc.
Gauge: This is a single numerical value that is allowed to increase...

The rest of the chapter is locked

Register for a free Packt account to unlock a world of extra content!

A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.

Unlock this book and the full library FREE for 7 days

Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of

Start free trial

Renews at €18.99/month. Cancel anytime

Authors (1)

Mihalis Tsoukalos

Mihalis Tsoukalos

Mihalis Tsoukalos holds a BSc in Mathematics from the University of Patras and an MSc in IT from University College London, UK. His books, Go Systems Programming and Mastering Go, have become must-reads for Unix and Linux systems professionals. He enjoys writing technical articles and has written for Sys Admin, MacTech, C/C++ Users Journal, USENIX ;login:, Linux Journal, Linux User and Developer, Linux Format, and Linux Voice. His research interests include time series data mining, time series indexing, and databases.

See other products by Mihalis Tsoukalos

Other recommended products

Related to this chapter

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

This book not only goes into great depth on Go features usually taken for granted, but also explains how to use an improved understanding of Go internals to optimize Go code, use all Go data types and data structures in new and unexpected ways, and understand how to write Go systems projects, do OS-level coding and build Go network applications.

Apr 2018 20h 12m

Personalised recommendations for you

Based on your interests and search pattern

Pragmatic Microservices with C# and Azure

Pragmatic Microservices with C# and Azure

This book empowers you with in-depth knowledge of microservices architecture using .NET and Azure. Through hands-on tutorials, you'll be able to build, deploy, and manage scalable applications, gaining crucial skills for modern software development.

May 2024 16h 56m

Mastering Python Design Patterns

Mastering Python Design Patterns

Unlock the power of design patterns to build maintainable and scalable software and applications using Python. Authored by Python veterans, this book is your guide to mastering design patterns in Python.

May 2024 9h 52m

System Programming Essentials with Go

System Programming Essentials with Go

From file operations to process management and network programming, this hands-on guide equips software engineers with the skills to build efficient, reliable applications and optimize their performance.

Jun 2024 13h 36m

Modern Python Cookbook

Modern Python Cookbook

The new edition of Modern Python Cookbook provides over 130 recipes for solving real-world problems with Python. Updated for Python 3.12 with new recipes and chapters. This practical guide will enhance your skills and teach you advanced techniques.

Jul 2024 27h 16m

The Ultimate Zoom Cookbook

The Ultimate Zoom Cookbook

This cookbook is an in-depth guide to using Zoom effectively. You'll be able to follow each recipe easily to harness the power of the communication and collaboration tools in Zoom.

May 2024 11h 20m

Enterprise Architecture with .NET

Enterprise Architecture with .NET

This book will help you create applications that integrate correctly into complex and ever-changing information systems. You'll execute this by using industry standards that reduce the app's technical debt and elevate software development practices.

May 2024 25h 44m

Salesforce B2C Solution Architect's Handbook

Salesforce B2C Solution Architect's Handbook

Discover how Salesforce Customer 360 unifies Marketing Cloud, B2C Commerce, Data Cloud, and Service Cloud into one solution, and learn the capabilities, integration options, limitations, and workflows to create value for your organization.

May 2024 15h 28m

Systems Programming with C# and .NET

Systems Programming with C# and .NET

Unlock the full potential of C# and .NET Core in systems programming to secure, deploy, and maintain robust applications. With this book, you'll focus on low-level APIs, memory management, and performance optimization.

Jul 2024 15h 48m

Technical Program Manager's Handbook

Technical Program Manager's Handbook

Unlock the full potential of your career as a TPM with this comprehensive guide, featuring new chapters on AI and more. Learn advanced techniques and gain insights from industry leaders. Elevate your skills and thrive in the Big Five tech companies.

Sep 2024 12h 16m

Microsoft Power Pages in Action

Microsoft Power Pages in Action

Packed with real-world examples, low-code coding techniques, and insights into crafting responsive pages, automating apps, and enhancing virtual agents, Microsoft Power Pages in Action is a valuable resource for building feature-rich web apps.

Jun 2024 11h 40m