Tracing for Several Functions

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prerequisites
intermediate Java and Spring Boot • basics of Jaeger
skills learned
instrument tracing inside multiple functions in a microservice using OpenTracing API and Jaeger SDK • pass down the current active span to the next function in a call flow using ScopeManager • set the relationship between a child Span and a parent Span
Huabing Zhao
1 week · 2-4 hours per week · BEGINNER
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Look inside
In this liveProject, you’ll instrument tracing in multiple functions of a call flow inside a single microservice. By instrumenting multiple trace functions, the generated traces are far more meaningful than just a single function. Once you’ve established your tracing code, you’ll use a thread-local mechanism to pass the current active span to the next function so that the spans can be pieced together. Finally, you’ll generate a trace having spans in it representing each function the request goes through.
This project is designed for learning purposes and is not a complete, production-ready application or solution.

project author

Huabing Zhao
Huabing Zhao works as a senior engineer at Tencent Cloud. He has a solid experience in the information and telecommunication technology industry for more than 10 years.Throughout his career, he has built a number of large-scale, cross-country software systems, most of them are still running in production. He loves open source and has been contributing to various open source projects. He is a member of Istio, previous Project Team Leaderof ONAP, the author of the Hugo clean-white theme and the open source project Aeraki. He has strong interests in various technical areas including Cloud Native, Artificial Intelligence, Cryptocurrencies, Smart Home, etc.

prerequisites

This liveProject is for experienced Java developers who are also confident users of Docker. To begin this liveProject, you will need to be familiar with:

TOOLS
  • Intermediate Java
  • Intermediate Spring Boot
  • Intermediate Docker
  • Basics of Jaeger
TECHNIQUES
  • Basics of OpenTracing

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