JavaFest. Максим Говорищев. Quarkus - make microservices "micro" again

1. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 NEW PROFESSIONAL JAVA EVENT MAY 30, 2020 KYIV, UKRAINE Quarkus – make microservices “micro” again

2. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 WHOAMI

3. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 System overview 150

4. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 System overview 150 15

5. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 System overview 150 15

6. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 System architecture

17. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Existing Java Microframeworks

18. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 New player - Quarkus

19. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Evaluation dimensions • Performance - startup time

20. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Evaluation dimensions • Performance - startup time • Resources footprint – app size, memory footprint

21. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Evaluation dimensions • Performance - startup time • Resources footprint – app size, memory footprint • Integration with rest of ecosystem

22. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Evaluation dimensions • Performance - startup time • Resources footprint – app size, memory footprint • Integration with rest of ecosystem • Development experience

23. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Performance – startup time https://dzone.com/articles/micr oservices-quarkus-vs-spring-boot

24. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Performance – memory footprint https://dzone.com/articles/micr oservices-quarkus-vs-spring-boot

25. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Extension mechanism Extensions

26. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Extension mechanism Extensions Class-path modification

27. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Extension mechanism Extensions Class-path modification Build augmentation

28. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Extension mechanism Extensions Class-path modification Build augmentation Runtime init

29. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Tools under the hood GraalVM Gizmo SubstrateVM Jandex

30. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Quarkus integration pillars

31. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns RDBMS MongoDB DynamoDB S3 Hibernate Panache Business services

32. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns Deployment Business services

33. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns Deployment Business services Metrics Health

34. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns Deployment Business services Open API

35. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns Deployment Business services Eureka

36. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns Deployment Business services Fault Tolerance

37. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microprofile fault-tolerance features • Timeout: Defines a timeout for the execution of a service call

38. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microprofile fault-tolerance features • Timeout: Defines a timeout for the execution of a service call • Fallback: Provides a contingency solution when a failure occurs

39. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microprofile fault-tolerance features • Timeout: Defines a timeout for the execution of a service call • Fallback: Provides a contingency solution when a failure occurs • Retry: Allows you to retry execution based on criteria

40. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microprofile fault-tolerance features • Timeout: Defines a timeout for the execution of a service call • Fallback: Provides a contingency solution when a failure occurs • Retry: Allows you to retry execution based on criteria • Bulkhead: Isolates partial service failures while the rest of the system can still work

41. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microprofile fault-tolerance features • Timeout: Defines a timeout for the execution of a service call • Fallback: Provides a contingency solution when a failure occurs • Retry: Allows you to retry execution based on criteria • Bulkhead: Isolates partial service failures while the rest of the system can still work • Circuit Breaker: Defines criteria for automatic fast-fails to prevent system degradation caused by overloading

42. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns Deployment Config Management Business services Config

43. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns JWT Authentication Oauth 2.0 OpenID Connect Deployment Config Management Business services

44. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns Deployment Config Management Business services

45. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns Metrics Pull-based mechanism Hierarchical & dimensional support Deployment Config Management Business services

46. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Microservice concerns Deployment Config Management Business services OpenTracing

47. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Demo

48. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Issues • Quarkus and GraalVM compatibility

49. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Issues • Quarkus and GraalVM compatibility • Limited support of CDI spec (and others?)

50. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Issues • Quarkus and GraalVM compatibility • Limited support of CDI spec (and others?) • Bias towards RedHat native tools and libs

51. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Issues • Quarkus and GraalVM compatibility • Limited support of CDI spec (and others?) • Bias towards RedHat native tools and libs • Lack of official NetflixOSS extensions

52. NEW PROFESSIONAL JAVA EVENT KYIV, 2020 Conclusions

53. NEW PROFESSIONAL JAVA EVENT KYIV, 2020

JavaFest. Максим Говорищев. Quarkus - make microservices "micro" again

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JavaFest. Максим Говорищев. Quarkus - make microservices "micro" again

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