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Modern Distributed Tracing in .NET

You're reading from   Modern Distributed Tracing in .NET A practical guide to observability and performance analysis for microservices

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Product type Paperback
Published in Jun 2023
Publisher Packt
ISBN-13 9781837636136
Length 336 pages
Edition 1st Edition
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Author (1):
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Liudmila Molkova Liudmila Molkova
Author Profile Icon Liudmila Molkova
Liudmila Molkova
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Table of Contents (23) Chapters Close

Preface 1. Part 1: Introducing Distributed Tracing
2. Chapter 1: Observability Needs of Modern Applications FREE CHAPTER 3. Chapter 2: Native Monitoring in .NET 4. Chapter 3: The .NET Observability Ecosystem 5. Chapter 4: Low-Level Performance Analysis with Diagnostic Tools 6. Part 2: Instrumenting .NET Applications
7. Chapter 5: Configuration and Control Plane 8. Chapter 6: Tracing Your Code 9. Chapter 7: Adding Custom Metrics 10. Chapter 8: Writing Structured and Correlated Logs 11. Part 3: Observability for Common Cloud Scenarios
12. Chapter 9: Best Practices 13. Chapter 10: Tracing Network Calls 14. Chapter 11: Instrumenting Messaging Scenarios 15. Chapter 12: Instrumenting Database Calls 16. Part 4: Implementing Distributed Tracing in Your Organization
17. Chapter 13: Driving Change 18. Chapter 14: Creating Your Own Conventions 19. Chapter 15: Instrumenting Brownfield Applications 20. Assessments 21. Index 22. Other Books You May Enjoy

Building a sample application

As shown in Figure 2.1, our application consists of two REST services and a MySQL database:

Figure 2.1 – Meme service diagram

Figure 2.1 – Meme service diagram

  • Frontend: ASP.NET Core Razor Pages application that serves user requests to upload and download images
  • Storage: ASP.NET Core WebAPI application that uses Entity Framework Core to store images in a MySQL database or in memory for local development

We’ll see how to run the full application using Docker later in this chapter. For now, run it locally and explore the basic logging and monitoring features that come with modern .NET.

We’re going to use the Microsoft.Extensions.Logging.ILogger API throughout this book. ILogger provides convenient APIs to write structured logs, along with verbosity control and the ability to send logs anywhere.

ASP.NET Core and Entity Framework use ILogger; all we need to do is configure the logging level for specific categories or...

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