Nuxeo World Session: Agile Development
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The document outlines Nuxeo's approach to agile development, focusing on continuous improvement, team organization, and various methodologies including Scrum and Kanban. It discusses the importance of metrics, iteration processes, and the challenges faced in maintaining predictable delivery amidst external pressures. Key topics include daily scrums, task complexity, and improving visibility of metrics for better team performance.
Nuxeo World Session: Agile Development
- 1. 2010 November 17th - Benjamin JALON - Scrum Master and Software Engineer bjalon@nuxeo.com Agile Development The Nuxeo Approach Wednesday, November 17, 2010
- 2. Agenda • Continuous Improvement: What does that mean? • Nuxeo Stories • Continuous Integration • Dev Team Organization • Scrum Approach • Definition of our metrics for predictability • Kanban Approach 2 Wednesday, November 17, 2010
- 3. Continuous Improvement: What does that mean? • Organization around short iterations • Definition of ways we want to improve • Definition of metrics Pu • Review int t fe o t ed he bac • Analysis of impediments sys k tem • Analysis of chosen metrics • Update the process 3 Wednesday, November 17, 2010
- 4. Nuxeo Stories: Continuous Integration 4 Wednesday, November 17, 2010
- 5. Day in the life of a commit nuxeo.ear jboss.zip commit tomcat.zip SCM etc... Developer Developer Developer Pull Distrib. Publish Maven QA Build packages distributions Unit test Bench 5 Wednesday, November 17, 2010
- 6. Day in the life of a commit nuxeo.ear jboss.zip commit tomcat.zip SCM etc... Developer Developer Developer Pull Distrib. Hundreds of Publish times a day! Maven QA Build packages distributions Unit test Bench 5 Wednesday, November 17, 2010
- 7. - “Hey the build is broken!” - “Huh! Yes, and what else?” 6 Wednesday, November 17, 2010
- 8. Improving visibility of metrics push/pull SCM Developer Developer Developer Pull Alert Distrib TV Jabber Publish Mail Nabaztag QA Maven 7 Wednesday, November 17, 2010
- 9. Improving visibility of metrics Tv Board Mail notification IM notification Nabaztag 8 Wednesday, November 17, 2010
- 10. Improving visibility of metrics Tv Board Mail notification IM notification Nabaztag 8 Wednesday, November 17, 2010
- 11. Improving visibility of metrics Tv Board Mail notification IM notification Nabaztag 8 Wednesday, November 17, 2010
- 12. - “Hey the build is broken!” - “Huh! Yes, and what else?” “Hey the build is broken!” “Ah! Ok, I’ll fix it.” 9 Wednesday, November 17, 2010
- 13. Nuxeo Stories: Dev Team Organization 10 Wednesday, November 17, 2010
- 14. Scrum Approach Time Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Delivery Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Bloc Delivery Delivery Delivery Delivery Delivery 11 Wednesday, November 17, 2010
- 15. Scrum Approach Product owner Make this and that Iteration (1 or 2 weeks) Make this and that Make this and that Time Make this and that Make this and that Make this and that Make this and that Make this and that Make this and that Starship/Atlantis Make this and that Make this and that Make this and that Make this and that Make this and that Make this and that Make this and that Product owner 12 Starship/Atlantis Wednesday, November 17, 2010
- 16. Daily Scrum Make this and that Make this and that Make this and that Make this and that • What did you do yesterday? • What will you do today? • Any impediments? 13 Wednesday, November 17, 2010
- 17. Board Organization Backlog Current Iteration Development Finished / Runnable@Client 14 Wednesday, November 17, 2010
- 18. Issues • Our customers are not organized for iterative delivery • Scrum inside / Waterfall outside • Several projects at the same time How can we • Team members’ activities include make this • Support predictable? • Consulting • Timebomb from sales 15 Wednesday, November 17, 2010
- 19. Make this and that Make this and that Make this and that Make this and that “Yes, sweety. I’ll be home in 10 minutes. I just need to finish my task.” 16 Wednesday, November 17, 2010
- 20. Driven by the Complexity Trivial Easy Normal Difficult Hard Core God Mode Linux Kernel Reimplementation 17 Wednesday, November 17, 2010
- 21. Task Cost: Our Approach Make this and that Make this and that Make this and that Make this and that • Retrospectively, having time spent on a task for each complexity • Included in the daily scrum • What did you do yesterday? • How many hours spent for each task? • What will you do today? • Any impediments? 18 Wednesday, November 17, 2010
- 22. Task Cost: Spreadsheet Make this and that Make this and that Make this and that Make this and that Total = 70 hours logged 19 Wednesday, November 17, 2010
- 23. Task Cost: Spreadsheet Make this and that Make this and that Make this and that Make this and that =>7 hours to dispatch realistically 20 Wednesday, November 17, 2010
- 24. Task Cost: How much time for ... Make this and that Make this and that Make this and that Make this and that Time spent Value used for planning Sales Standard deviation Average Complexity 21 Wednesday, November 17, 2010
- 25. Task Cost: How much time for ... Make this and that Make this and that Make this and that Make this and that Time spent Value used for planning Sales Standard deviation Average Complexity 21 Wednesday, November 17, 2010
- 26. Iteration Preparation Make this and that Make this and that Make this and that Make this and that 22 Wednesday, November 17, 2010
- 27. Feedback Loop for Future Make this and that Planning Make this and that Make this and that Make this and that Week 44 Week 45 preparation 23 Wednesday, November 17, 2010
- 28. Metrics: Complexity Cost Evolution 24 Wednesday, November 17, 2010
- 29. Metrics: Team Productivity 25 Wednesday, November 17, 2010
- 30. Impediments • Velocity not constant • Tasks not finished at the end of the iteration 26 Wednesday, November 17, 2010
- 31. Kanban Board Backlog Current Iteration Development CI Test PO Test Finished / Runnable@Client Try to maintain a regular flow No backlog 27 Wednesday, November 17, 2010
- 32. Kanban Board Backlog Current Iteration Development CI Test PO Test Finished / Runnable@Client Team must fight against task backlog 28 Wednesday, November 17, 2010
- 33. Team Process Definition Backlog Current Iteration Development CI Test PO Test Finished / Runnable@Client Team process organization (different for our two teams) Wednesday, November 17, 2010
- 34. Scrum Board 30 Wednesday, November 17, 2010
- 35. Questions? 31 Wednesday, November 17, 2010
- 36. Thank you Wednesday, November 17, 2010