SpringOnePlatform2017 recap
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The document is a presentation by Kim Minseok, a senior platform architect at Pivotal, covering the advancements and applications of the Spring Framework and Reactive Programming in 2017. It discusses sessions on various Spring projects, including Spring WebFlux, Reactive Spring Data, and the integration of reactive programming concepts. Additionally, it outlines plans for future upgrades and compatibility with Java Development Kits.
SpringOnePlatform2017 recap
- 1. 2018/2/6 김민석 Senior Platform Architect Pivotal Cloud Foundry [email protected] 1 Core Spring & Reactive SpringOnePlatform 2017 recap for Samsung SDS
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- 3. Everything you need to transform Process & Culture Build for change Tools Continuously Improve Platform Any App, Every Cloud, One Platform PCF 2.0 Tracker / Spring / Concourse Pivotal Labs Data / AI Apps Culture, tools, and platform
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- 5. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ About me 5 • 김민석 ([email protected]) • Platform Architect @ Pivotal • Big-Data Monitoring System Developer • Software Architect • Software Quality Engineer • Developer https://www.facebook.com/groups/CloudfoundryKorea https://www.meetup.com/Seoul-Cloud-Foundry-Meetup
- 6. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 6 여기서 다루는 세션들 스프링 프로젝트를 이용한 프로그래밍 Reactive Spring (Tue/05) Reactive Applications on Apache Tomcat and Servlet 3.1 Containers(Tue /05) Spring Integration 5.0: What's New?(Tue/ 05) Not Only Reactive - Data Access with Spring Data(Tue /05) Reactive Data Access with Spring Data (Tue /05) Under the Hood of Reactive Data Access (Tue/06) Simplifying Apache Geode with Spring Sata(Wed/06) JDBC, What is it Good For? (Thu/07) Spring Security 5: The Reactive Parts(Tue /05) Bootiful Development with Spring Boot and React (Wed/ 06) Next Generation OAuth Support with Spring Security 5.0 (Wed/06) Lessons Learned from Upgrading Thymeleaf (Wed /06) Why Spring <3 Kotlin( Tue/07) What's New in Spring AMQP 2.0( Wed/06) JUnit 5 — New Opportunities for Testing on the JVM(Thu /07) Spring Core New in Spring Framework 5.0: Functional Web Framework(Tue/05) Spring Framework 5.0 on JDK 8 & 9 (Wed /06) Reactor in Action (Web /06) Spring Framework 5: Hidden Gems(Wed/06) It's a Kind of Magic: Under the Covers of Spring Boot (Web /06) 55 New Features in JDK 9 (Thu/ 07) Servlet or Reactive Stacks: The Choice is Yours. Oh No... The Choice is Mine!(Tue/ 05) Design & Architecting Designing, Implementing, and Using Reactive APIs(Web/06) Cloud-Native Batch Processing with Spring Batch 4 (Tue /05) Bringing New Technology to Legacy Land (Tue /05) State or Events? Which Shall I Keep? (Tue /05) Kafka Streams - From the Ground Up to the Cloud (Tue /05) Cloud Event Driven Architectures with Spring Cloud Stream 2.0(Wed/06) Spring Driven Industrial IoT Utilizing Edge, Fog, and Cloud Computing( Wed/ 06)
- 7. 7 1. Spring Framework Core 살펴보기 2. Reactive Programming 개념이해하기 3. Demo 4. 어떻게 적용할 것인가?
- 8. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
- 9. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Reactive
- 10. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 10 Spring Framework 5.0 Overview • Back-Pressure(Reactive 데이터 흐름 제어) • Reactive Spring Data • Function Reactive Programming • Project Reactor
- 11. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ • 6개월 단위 Major release • Agile development • JDK9: 2017/09 • JDK10: 2018/03 • JDK11: 2018/09 • LTS support release • JDK8 (LTS) • JDK11(LTS) • 3 years • No Overlap of support JDK Release and Support model Java 8 Adoption(Oct. 2017, Baeldung) Java 8 Java 7 Java 6 Java 9
- 12. 12 1. Spring Framework Core 살펴보기 2. Reactive Programming 개념이해하기 3. Demo 4. 어떻게 적용할 것인가?
- 13. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Servlet and Reactive Servlet 3.1 (2013) Reactor (2013) Servlet1.0 (1997) Servlet 3.0 (2009)
- 14. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 14 Servlet and Reactive
- 15. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 15 Servlet and Reactive
- 16. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ • 대안적 프로그래밍 방식 • 쉽고, 간결하고 에러가 줄어드는 비동기 이벤트 기반 프로그래밍 • 고성능, concurrency 코딩 • Reactive Stream 명세 (http://www.reactive-streams.org/ ) • WebFlux는 다양한 non-blocking API를 지원 Spring WebFlux를 이용한 Reactive Programming
- 17. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 17 멀티쓰레드 프로그래밍 • Keeping an unused ExecutorService alive • Wrong thread-pool capacity while using fixed length thread-pool • Unexpectedly-long blocking with Future‘s get() method
- 18. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Spring WebFlux – 기존 RestController 방식
- 19. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Spring WebFlux – RouterFunction 방식 (1/2)
- 20. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Spring WebFlux – RouterFunction 방식 (2/2) https://spring.io/blog/2016/09/22/new-in-spring-5-functional-web-framework https://github.com/myminseok/webflux-functional-mkim
- 21. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Spring WebFlux를 이용한 Reactive Programming https://spring.io/blog/2016/04/19/understanding-reactive-types
- 22. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Reactive Spring Data – being Reactive
- 23. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ <T> List<T> findAll(Class<T> entityClass, String collectionName); <T> T findOne(Query query, Class<T> entityClass); … <T> Flux<T> findAll(Class<T> entityClass, String collectionName); <T> Mono<T> findOne(Query query, Class<T> entityClass); … Reactive Spring Data - ReactiveMongoOperations
- 24. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Reactive Spring Data - MongoDB
- 25. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Reactive Spring Integration
- 26. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Reactive Spring Integration https://github.com/artembilan/spring-integration-s1p2017
- 27. 27 1. Spring Framework Core 살펴보기 2. Reactive Programming 개념이해하기 3. Demo 4. 어떻게 적용할 것인가?
- 28. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ • 샘플: https://github.com/rstoyanchev/demo-reactive-spring • Spring Webflux • WebClient • Reactive Spring Data (@Tailable) • Streaming Data from Reactive repository to Reactive Client 28 Spring Webflux & Spring Data Demo
- 29. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 샘플: https://github.com/myminseok/s1p-reactor-in-action Reactor 테스트 • StepVerifier Debugging • Async pipeline을 Debug, tracing하려고 할 때 .checkpoint()를 활용. Spring WebFlux를 이용한 Reactive Programming
- 30. 30 1. Spring Framework Core 살펴보기 2. Reactive Programming 개념이해하기 3. Demo 4. 어떻게 적용할 것인가?
- 31. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ • Networking • Latency • Failures • Back-pressure(Data Flow Control) • Highly Concurrent Operations • Scalability 효과적인 Reactive Usecase https://github.com/cloudfoundry/cf-java-client
- 32. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 32 Servlet or Reactive?
- 33. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ If it isn't broken, don’t fix it. Imperative is simple until it is not 33 Servlet or Reactive?
- 34. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ • Spring Framework 5.x • JDK 8 codebase (LTS), JDK9+ compatible • Support Java EE Level 7( Servlet 3.1, JPA 2.1) • Prepare to Java EE Level 8 (Servlet 4.x, JPA 2.x) • Dropped support (Portlet, Velocity, JDO…) • Spring Framework 5.x + • Upgrade train(JDK 9->10 ->11(LTS)) • Spring framework 5.x building target to JDK11 • Spring Framework 4.3 • JDK6 codebase, JDK7,8,9 compatible • Backport from Spring framework 5 (@UsesJava8 …) 34 Spring Framework & JDK 업그레이드 계획하기
- 35. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 1. JDK Baseline Update 2. Web Servers 3. Libraries • Jackson 2.9+ Hibernate 5.0+ EhCache 2.10+ 4. Removed Packages, Classes and Methods • Hibernate 5 (orm.hibernate3/hibernate4 dropped) 5. Dropped Support • Portlet, Velocity, JasperReports, XMLBeans, JDO, Guava (replaced by the Caffeine support • Spring Framework 4.3.x (supported until 2020) 6. Common Logging • spring-jcl 35 Spring Framework 5.0 적용하기 https://github.com/spring-projects/spring-framework/wiki/Upgrading-to-Spring-Framework-5.x
- 36. 36 Q&A