Anticipating The Fallacies of Distributed Computing Using The Netflix OSS - JavaCro2017

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Presentation I gave at JavaCro about the Netflix OSS and how it can be used to build better systems without reinventing the wheel.

Code: https://github.com/TomCools/FallaciesOfDistributedComputing/tree/JavaCro2017

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Anticipating The Fallacies of Distributed Computing Using The Netflix OSS - JavaCro2017

  1. 1. Anticipating the fallacies of distributed computing using the Netflix OSS
  2. 2. tom.cools@infosupport.com @TCoolsIT https://github.com/TomCools
  3. 3. Monolith to Microservices to save the souls! Microservice Envy -> Netflix6
  4. 4. “We need microservices”
  5. 5. 9
  6. 6. Crash and burn -> Distributed computing10 Microservices  Distributed Computing
  7. 7. Allowing resilience != Assuring resilience Fault tolerance promise of MicroServices
  8. 8. Info Support | Solid Innovator Demo
  9. 9. Requirements Async Execution SLA Call limitations Fallback Mechanism Multi- Threaded Support Request De-duplication
  10. 10. Problem: Thread Starvation Threadpool
  11. 11. Solution: Bulkhead Pattern Threadpool Threadpool Threadpool
  12. 12. 17
  13. 13. 18
  14. 14. 19
  15. 15. Build it yourself? -> question audience
  16. 16. Netflix Hystrix Latency and Fault Tolerance Library
  17. 17. Info Support | Solid Innovator Demo
  18. 18. 25
  19. 19. Netflix Archaius Configuration Management Library
  20. 20. Configuration Management with Archaius Dynamic, Typed Properties Polling Framework Callback Mechanism JMX MBean for access through Jconsole Most Netflix Libraries use Archaius
  21. 21. Connection Mechanisms
  22. 22. Info Support | Solid Innovator Demo
  23. 23. Crash and burn -> Distributed computing32 Where is *SERVICE*?!
  24. 24. Netflix Eureka Service Registry
  25. 25. Service Discovery Using Eureka Eureka is a REST based service Clusterable Metadata per Instance Healthchecks
  26. 26. Info Support | Solid Innovator Demo
  27. 27. 36
  28. 28. Gateway example slide
  29. 29. Netflix Zuul Gateway Service
  30. 30. Zuul and Friends Hystrix for Metrics Eureka for Instance Discovery Ribbon for Routing Archaius for real-time configuration Astyanax for filter persistence in Cassandra
  31. 31. “Boot”-strap your Netflix OSS
  32. 32. 45
  33. 33. Conclusion
  34. 34. 48
  35. 35. 50
  36. 36. tom.cools@infosupport.com https://github.com/TomCools

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