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Bhavin Gandhi
@bhavin192
Implementing distributed tracing in FaaS
Submitted Jul 15, 2019
Section:
Full talk (40 mins)
Category:
Monitoring and logging
Microservices as well as functions have changed the way applications are built and deployed now a days. Adoption of these distributed architectures have helped teams to implement scalable, efficient and reliable systems. Operational tasks like debugging have became quite tricky with this change. With functions, these tasks become more complicated when you have message queues like Kafka in between. Having a system to which we can ask questions about state of our services is really crucial. Distributed tracing helps to have observability in our system. It helps to get more insight into how our services are communicating.
This talk will be a walk through about my journey of implementing distributed tracing in functions which run on a Function as a Service platform, called Fission. It will also brief about changes made to the Fission’s components, as well Jaeger’s client library along the way.
Outline
- What is observability?
- Logging and metrics
- Distributed tracing
- About Fission
- Fission function environments
- About Jaeger
- Instrumenting applications using client libraries
- Architecture of demo application
- Kafka as message queue
- Instrumenting the functions
- Modifications made to the Fission’s environments
- Propagating the context through Kafka
- Changes made to Fission
- Changes made to Jaeger’s Python library
Requirements
- It is better to have basic idea about microservices
Speaker bio
Bhavin is working with InfraCloud Technologies, Pune. His main area of interest are Free/Libre and Open Source Software, DevSecOps, containers and Kubernetes. Have contributed to Fission as well Jaeger’s components.
Links
- https://geeksocket.in/
- https://www.infracloud.io/author/bhavin/
- https://github.com/bhavin192/fission/tree/python-env-opentracing/environments/python
- https://github.com/jaegertracing/jaeger-client-python/commits?author=bhavin192
- https://github.com/fission/fission/commits?author=bhavin192
Slides
https://bhavin192.gitlab.io/talks/2019/rootconf-pune/distributed-tracing-faas.html
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