AWS Simple Workflow: Distributed Out of the Box! - Morning@Lohika
0 likes785 views
The document provides an overview of AWS Simple Workflow (SWF) presented by Serhiy Batyuk. Some key points: - SWF is a fully managed AWS service for coordinating work across distributed application components through the use of workflows and activities. - It allows building scalable applications by coordinating work across components through asynchronous calls using workflows and tasks. - The presentation demonstrates how to build a sample application in Java using the SWF APIs and SDK to coordinate preparation tasks for attending a conference. - Key concepts covered include workflows, activities, deciders, retries, scalability, and replay of workflow executions for reliability.
AWS Simple Workflow: Distributed Out of the Box! - Morning@Lohika
- 1. Distributed Out of the Box! AWS Simple Workflow Serhiy Batyuk Morning@Lohika May 14, 2016
- 2. My Interests
- 3. Tech Lead at
- 4. AWS SWF 1 year>
- 7. Agenda SWF Overview Demo Our Experience
- 8. What Is AWS Simple Workflow?
- 9. AWS SWF Use Cases https://www.youtube.com/watch?v=DYmJIQO2ZyQ&t=83 Media Processing Infrastructure Provisioning Business ProcessesReport GenerationData Processing
- 11. Preparing to Attend JEEConf
- 12. Preparing to Attend JEEConf
- 13. Preparing to Attend JEEConf
- 14. Preparing to Attend JEEConf
- 15. Preparing to Attend JEEConf PROGRAM STEPS
- 16. Preparing to Attend JEEConf
- 17. Preparing to Attend JEEConf
- 18. Preparing to Attend JEEConf
- 19. Preparing to Attend JEEConf
- 24. AWS SWF AWS SWF Message Flow WorkerDecider
- 25. AWS SWF AWS SWF Message Flow WorkerDecider START
- 26. AWS SWF AWS SWF Message Flow WorkerDecider MAKE A DECISION
- 27. AWS SWF GET HISTORY AWS SWF Message Flow WorkerDecider
- 28. AWS SWF AWS SWF Message Flow WorkerDecider BUY TICKET
- 29. AWS SWF AWS SWF Message Flow WorkerDecider BUY TICKET
- 30. AWS SWF AWS SWF Message Flow WorkerDecider TICKET CONFIRMATION
- 31. AWS SWF AWS SWF Message Flow WorkerDecider
- 32. AWS SWF AWS SWF Message Flow WorkerDecider MAKE A DECISION
- 33. AWS SWF GET HISTORY AWS SWF Message Flow WorkerDecider
- 34. AWS SWF AWS SWF Message Flow WorkerDecider BOOK HOTEL
- 35. AWS SWF AWS SWF Message Flow WorkerDecider BOOK HOTEL
- 36. AWS SWF AWS SWF Message Flow WorkerDecider HOTEL CONFIRMATION
- 37. AWS SWF AWS SWF Message Flow WorkerDecider
- 38. AWS SWF AWS SWF Message Flow WorkerDecider
- 39. AWS SWF AWS SWF Message Flow WorkerDecider RESULT
- 40. Task Lists and Routing WorkerDecider SWF
- 43. AWS SWF Flow Framework AWS SWF SWF API .Net, Python, others SWF Flow Framework Java, Ruby
- 44. Java Flow Framework Workflow Worker Decider Workflow Implementation Activities Client Activities Worker Worker Activities Implementations Workflow Starter Client app Workflow Client SWF http://docs.aws.amazon.com/amazonswf/latest/awsflowguide/awsflow-basics-application-structure.html
- 45. Java Flow Framework Workflow Worker Decider Activities Client Activities Worker WorkerClient app Workflow Client SWF http://docs.aws.amazon.com/amazonswf/latest/awsflowguide/awsflow-basics-application-structure.html
- 46. Java Flow Framework Decider Workflow Implementation Worker Activities Implementations Workflow Starter Client app SWF http://docs.aws.amazon.com/amazonswf/latest/awsflowguide/awsflow-basics-application-structure.html
- 47. Java Flow Framework Classes @Activities @Workflow Client to schedule workflows Client to schedule activities
- 48. Java Flow Framework Classes @Activities @Workflow Client to schedule workflows Client to schedule activities WorkflowWorker ActivitiesWorker Handle decision tasks Handle activity tasks
- 49. DemoSWF
- 56. Preparing for JEEConf Visit Organizer Service JEEConf Service Travel Service Book hotelBuy tickets
- 57. Preparing for JEEConf Visit Organizer Service JEEConf Service Travel Service Book train tickets Book hotelBuy tickets
- 58. Time to see the code! public class HelloWorld { public static void main() { System.out.println(“Hi”); } } https://github.com/sbatyuk/aws-swf-sample
- 60. FeaturesSWF
- 64. Worker Worker Worker Decider Decider Activity Retries AWS SWF My App http://docs.aws.amazon.com/amazonswf/latest/awsflowguide/features-retry.html
- 65. Worker Worker Worker Decider Decider Activity Retries AWS SWF My App http://docs.aws.amazon.com/amazonswf/latest/awsflowguide/features-retry.html
- 66. Worker Worker Worker Decider Decider Activity Retries AWS SWF My App http://docs.aws.amazon.com/amazonswf/latest/awsflowguide/features-retry.html
- 68. Exactly Once Delivery = 1
- 69. Integration with Spring and JUnit http://docs.aws.amazon.com/amazonswf/latest/awsflowguide/test.html
- 70. Other Features Child workflows Lamda tasks Heartbeats Continuous workflows Timers Signals
- 71. AWS SWF Pricing https://aws.amazon.com/swf/pricing 10,000 workflows in a day with 3 activities each: $1.75
- 73. Workflow Replays http://docs.aws.amazon.com/amazonswf/latest/awsflowguide/awsflow-basics-distributed-execution.html @Override public void prepareForJEEConf(String name, String email) { Promise<Integer> ticket = jeeConfService.buyTicket(name); Promise<Integer> hotel = travelService.bookHotel(name, ticket); Promise<Integer> train = travelService.bookTrainTickets(name, ticket); sendConfirmationEmail(email, ticket, hotel, train); }
- 74. Workflow Replay #1 Workflow Activity Client Activity Workflow History
- 75. Workflow Replay #1 Workflow Activity Client Activity Workflow History Get history
- 76. Workflow Replay #1 Workflow Activity Client Activity Workflow History History Get history
- 77. Workflow Replay #1 Buy ticket Workflow Activity Client Activity Workflow History History Get history
- 78. Workflow Replay #1 Buy ticket Buy ticket Workflow Activity Client Activity Workflow History History Get history
- 79. Workflow Replay #1 Buy ticket Promise Buy ticket Workflow Activity Client Activity Workflow History History Get history
- 80. Workflow Replay #1 Buy ticket Promise Buy ticket Book hotel Workflow Activity Client Activity Workflow History History Get history
- 81. Workflow Replay #1 Buy ticket Promise Buy ticket Book hotel Promise Workflow Activity Client Activity Workflow History History Get history
- 82. Workflow Replay #1 Buy ticket Promise Buy ticket Book hotel Promise Ticket confirmation Workflow Activity Client Activity Workflow History History Get history
- 83. Workflow Replay #2 Workflow Activity Client Activity Workflow History
- 84. Workflow Replay #2 Workflow Activity Client Activity Workflow History Get history
- 85. Workflow Replay #2 Workflow Activity Client Activity Workflow History History Get history
- 86. Workflow Replay #2 Buy ticket Workflow Activity Client Activity Workflow History History Get history
- 87. Workflow Replay #2 Buy ticket Workflow Activity Client Activity Workflow History History Get history Promise with confirmation
- 88. Workflow Replay #2 Buy ticket Book hotel Workflow Activity Client Activity Workflow History History Get history Promise with confirmation
- 89. Workflow Replay #2 Buy ticket Book hotel Book hotel Workflow Activity Client Activity Workflow History History Get history Promise with confirmation
- 90. Workflow Replay #2 Buy ticket Book hotel Book hotel Promise Workflow Activity Client Activity Workflow History History Get history Promise with confirmation
- 91. Workflow Replay #2 Buy ticket Book hotel Book hotel Promise Hotel confirmation Workflow Activity Client Activity Workflow History History Get history Promise with confirmation
- 95. Serialization of Exceptions 1 1 1 0 1 0 0 0 1 1 0 1 1 1 0 1 0 1 0 1 0 1 1 1 0 1 0 0 0 1 1 1 0 1 0 0 1 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 1 1 1 0 0 1 0 0 0 0 1 1 0 1 1 1 1 0 1 1 0 0 1 0 1 1 0 0 0 1 1 0 1 0 0 1 1 0 0 0 0 1 0 0 1 1 0 1 1 1 1 1 0 1 1 0 0 1 0 0 1 1 0 1 0 0 0 1 1 1 1 0 1 1 0 0 1 0 0 1 1 1 0 0 1 1 0 0 0 1 1 0 1 1 1 0 0 0 1 0 0 0 1 1 1 1 1 0 0 1 0 1 0 0 0 1 1 1 1 0 0 1 0 0 1 1 1 0 0 0 0 1 0 1 0 1 1 1 1 0 0 0 0 1 1 0 0 1 0 1 0 0 1 1 0 1 0 0 1 1 1 0 1 1 0 0 0 0 0 0 1 0 0 0 1 1 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1 1 1 1 0 0 1 0 1 1 1 1 0 1 1 0 0 1 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 1 1 0 1 1 1 0 0 0 0 1 1 0 0 0 1 1 0 0 1 0 1 0 1 0 0 0 0 1 0 1 1 1 1 1 1 1 1 1 1 0 0 0 1 0 0 1 0 1 1 1 0 1 1 1 1 1 1 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 1 1 0 1 1 1 0 1 0 1 0 1 1 1 0 0 0 1 0 0 0 1 1 0 1 0 1 0 1 1 1 1 0 1 0 1 0 0 0 0 1 0 1 1 0 1 0 0 0 1 1 1 1 0 0 0 0 0 0 1 0 1 0 0 0 1 1 1 0 1 1 0 1 0 0 0 1 1 0 1 0 1 0 1 0 1 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 0 1 1 0 0 0 1 0 0 0 1 1 1 1 1 1 0 1 1 0 0 0 0 0 0 1 1 0 0 1 1 0 1 1 1 1 0 0 1 1 1 1 0 0 0 1 1 1 0 1 0 1 0 0 1 1 1 1 1 0 0 1 0 0 0 1 0 1 0 0 0 1 0 0 1 1 1 1 0 0 1 0 0 1 1 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 1 0 1 0 1 0 0 1 1 1 0 1 1 0 0 0 0 1 1 1 0 0 0 1 0 1 0 1 1 0 1 1 1 0 1 0 0 1 0 1 1 1 0 0 1 1 0 1 1 0 1 0 1 0 0 1 1 1 1 0 0 1 1 0 1 1 1 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 1 0 0 1 0 1 1 0 1 0 0 0 0 0 0 1 1 0 1 1 0 1 1 1 0 1 1 0 0 1 0 0 1 0 0 0 0 1 1 0 1 0 0 0 1 0 1 1 0 1 0 1 1 1 1 0 0 0 0 0 1 1 0 0 1 1 1 1 0 0 1 0 1 1 1 0 0 0 0 0 0 1 0 1 0 0 1 1 0 1 1 1 0 0 1 1 0 1 1 0 1 0 0 1 1 0 1 0 1 0 0 0 1 0 0 0 0 0 1 1 1 0 0 1 1 0 0 0 1 1 1 1 0 0 1 0 1 0 1 1 1 0 1 0 0 1 1 1 0 1 0 0 0 0 1 1 1 1 1 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 1 1 1 1 1 0 0 1 1 0 0 0 0 1 0 1 0 0 1 1 0 0 1 0 1 1 1 0 1 1 0 0 0 0 1 1 1 1 0 1 0 1 0 1 1 0 0 0 0 1 1 1 1 1 0 1 1 0 1 1 0 1 0 1 0 0
- 96. History and Data Size Limits 25K http://docs.aws.amazon.com/amazonswf/latest/developerguide/swf-dg-limits.html History events 32K Message size (chars)
- 97. Summary Programs with steps Scalability Timeouts & Retries Java & Ruby