Wastful waste or why everything is so slow in development
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I think almost everybody experienced cases when things are moving very slowly in IT companies or teams. You have many people, talented engineers, Agile process and development speed is still below expectations. We try to focus on performance and efficiency last 10 years, improving our practices and tools. But we are still there in terms of speed when they are applied to real life cases. How is it possible? In this talk we will review the concept of waste circles and understand what are the main sources of time waste in development process. This concept would help you to check your processess, focus on right things and achieve much better results in your organization or team.
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Wastful waste or why everything is so slow in development
- 1. Wasteful waste or why everything is so slow in development Mikalai Alimenkou @xpinjection http://xpinjection.com
- 4. Disclaimer This talk is based on personal experience
- 5. What is our performance?
- 6. Let’s tune our Agile process!
- 8. No good metrics for performance
- 9. Customers always want… New features ASAP!
- 10. It’s impossible to understand if performance limit is reached
- 11. Big team is not always effective
- 13. Developers have different focus factor
- 15. Waste Circles: another view on waste Your performance Technical waste Team waste Process waste Organizational waste
- 16. Stories about organizational waste Bad coffee Global meetings and corporate discussions Lunch time Bureaucracy
- 17. Typical meeting structure Get out of work context Waiting Useful part Discussions and relax Get into work context 15 minutes 30-40 minutes
- 18. • Planning (4 hours) • Grooming (2 hours) • Daily Scrum (20 minutes) • Retrospective (1 hour) • Demo and Sprint Review (2 hours) Waste % = 12.3/80 ~ 15.5% Process waste
- 19. Stories about team waste Communication CI/CD Additional roles Conflicts
- 20. Stories about technical waste Technical debt Code review Bad tools Defects
- 21. Let’s calculate your performance, bro! Focus factor = 0.7 [ideal] * (1 – OrgWaste) * (1 – ProcWaste) * (1 – TeamWaste) * (1 – TechWaste) For some large teams in ineffective organizations actual FF ~ 0.1-0.2 for ALL TEAM MEMBERS
- 23. Summary • Focus on waste analysis instead of performance tuning • Start from waste with maximal impact • Don’t add waste continuously through your process • Monitor waste level with right metrics • Adopt focus factor based capacity planning • Use product increment as the only performance metric