Resilient Microservices Without the Chaos

This talk presents service-level fault injection testing for verifying microservice behavior under partial failure. It explains Filibuster’s use of static analysis, test synthesis, principled fault injection, and integration with existing JUnit tests.

Syllabus

Intro
Microservices Architecture
Microservice Architecture: Netflix
Microservices: Socio-Technical Problem
Challenge #1: Code Quality
Challenge #2: Distributed Systems
Microservice Fault Tolerance
Fault Tolerance: Example
What should happen?
What actually happens?
How Can We Do Better?
Motivating Example
Incident #1: Bad Deployment
Incident #2: 3rd Party Dependency Failure
Verifying The (Missing) Test Oracle
Service-level Fault Injection Testing
Test Adaptation: Failure-Driven Resilience
Fault Permutations: What Do We Test?
Dynamic Reduction Technique
Evaluation
Integrating the Approach
Automatic Instrumentation
JUnit Integration: Example
JUnit Integration: Faults
JUnit Integration: Conditional Assertions
Standalone Filibuster
Conclusion