Lean part of DevOps - DevOps Amsterdam meetup - 17-8-2016
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Lean has a central place in DevOps - it's part of CALMS. And Lean is wider and broader than DevOps. And if we compare them, they reinforce each other.
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Lean part of DevOps - DevOps Amsterdam meetup - 17-8-2016
- 1. @PavelChunyayev The Lean Part of DevOps Why are Lean ideas so crucial for DevOps culture? by Pavel Chunyayev, 18-8-2016 Amsterdam, Atlassian DevOps Amsterdam meetup
- 2. @PavelChunyayev Amsterdam Levi9 HQ Amsterdam – 2005 25 people Novi Sad Serbia Novi Sad – 2005 350+ people Zrenjanin Serbia Zrenjanin– 2014 50+ people Iasi Romania Iasi – 2007 100+ people Kyiv Ukraine Kyiv – 2008 160+ people Lviv Belgrade Ukraine Lviv– 2016 20+ people
- 3. @PavelChunyayev E-Retail Digital Marketing Traffic and Transport FinTech Software Services
- 4. @PavelChunyayev Customer satisfaction 2015 • 4th year great results in Outsourcing Performance study • 2015: 100% customer recommendation score Excellent trust score
- 5. @PavelChunyayev About me • 12 years of IT experience • Lived and worked in Ukraine and Estonia • Two years ago moved to the Netherlands • Love cycling • Love Dutch language • Love software development and delivery processes • Love working with people
- 7. @PavelChunyayev Continuous Delivery Plan Code Build Test Release OperateEnvision
- 9. @PavelChunyayev Keep the product releasable Build quality in
- 11. @PavelChunyayev • Culture • Automation • Measurement • Sharing
- 12. @PavelChunyayev • Culture • Automation • Lean • Measurement • Sharing
- 16. @PavelChunyayev Lean manufacturing - Principles • Elimination of waste • Continuous improvement • Respect for people • Pull instead of push • Just in time production • Quality built in
- 17. @PavelChunyayev Lean manufacturing – Forms of Waste • Mura – Waste because of variation • Muri – Waste because of unreasonable work • Muda – Waste that doesn’t add value
- 18. @PavelChunyayev Lean manufacturing – Types of Waste • Transportation • Waiting • Overproduction • Defects • Inventory • Movement • Extra processing
- 19. @PavelChunyayev Lean manufacturing – Metrics • Process time • Delay time • Lead time • % complete and accurate
- 21. @PavelChunyayev Lean thinking • Value • Value streams • Flow • Pull • Perfection • Build quality in • Understanding ‘takt’ time • Reducing batch sizes • Pull system • Continuous improvement • Focus on long-term goal
- 22. @PavelChunyayev Lean IT Goals: • Increase productivity • Increase customer benefits • Continuous improvement process
- 23. @PavelChunyayev Lean IT - Trends • Reducing costs (eliminating waste), six sigma • Transformation to utility • Outsourcing (e.g. Cloud)
- 24. @PavelChunyayev Conflict with DevOps? • Innovation and disruption vs Operational excellence • Experimentations vs Predictability • Unstructured and uncertain vs Standards and variation avoidance
- 25. @PavelChunyayev Lean and DevOps • It’s not only about costs • Continuous learning • Build quality in • Visualize • Think backwards from customer value • Not from current capabilities • Embrace uncertainty
- 27. @PavelChunyayev Lean software development - Principles • Eliminate waste • Amplify learning • Decide as late as possible • Deliver as fast as possible • Empower the team • Build quality in • Optimize for the whole
- 28. @PavelChunyayev Waste • Partially done work (Starting more than finishing) • Extra processes (Bureaucracy) • Extra features (Unnecessary code) • Task switching (Changing requirements and priorities) • Waiting (Delays in the development process) • Motion • Defects (Quality issues, rework)
- 29. @PavelChunyayev Amplify learning • Pair programming • Code reviews • Documentation • Wiki • Commented code • Knowledge sharing sessions • Training
- 30. @PavelChunyayev Decide as late as possible • For decisions that are irreversible or impractical to reverse • Keep the options for as long as possible • You will know a lot more by the time the decision needs to be made • Too early and you are limited by the choice you could have made without enough information
- 31. @PavelChunyayev Deliver as fast as possible • Continuous Delivery • DevOps • Agile methodologies • Shared responsibility
- 32. @PavelChunyayev Empower the people • Give responsibility to make decisions about their work
- 33. @PavelChunyayev Build quality in • Andon – stop the line • Pair programming • Test driven development • Constant feedback • Minimize handovers (time between stages) • Continuous integration • Automation
- 34. @PavelChunyayev Optimize for the whole • Optimize for the whole, not specific departments or teams • E2e process with focus on customer needs • Prefer product orientation vs project orientation • Focus on quality and innovation, not on quick execution
- 35. @PavelChunyayev Problems of Lean • Focus on tools, not on the philosophy and culture • Decide on the solution without understanding true problem • Cargo cult
- 36. @PavelChunyayev Lean software development - Principles • Eliminate waste • Amplify learning • Decide as late as possible • Deliver as fast as possible • Empower the team • Build quality in • Optimize for the whole
- 37. @PavelChunyayev Lean Startup / Lean Enterprise
- 38. @PavelChunyayev
- 40. @PavelChunyayev Generate Waste Excercise • Variation • Unreasonable work • Non-value adding processes
- 41. @PavelChunyayev Change the culture is the most important and the most hard part of Lean
- 42. @PavelChunyayev Change the culture is the most important and the most hard part of Lean and DevOps
- 43. @PavelChunyayev Summary Empower the people Build quality in Eliminate the waste Change the culture Plan Code Build Test Release OperateEnvision
- 44. @PavelChunyayev Thank you :) Empower the people Build quality in Eliminate the waste Change the culture +31 6 2117 5817 pavel@levi9.com Plan Code Build Test Release OperateEnvision
Editor's Notes
- Questions are welcome during the talk. Disagreement is welcome, but after the talk. Yes, but; what if. Interactive – raise hand, provide feedback – tweet.
- Over 700 employees now Picture of Belgrade is pending
- .we develop core software for (and with) these companies
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- Streamlining and flow Customer focus Unesed features Time to market
- It’s all about quality. Increasing speed by ensuring quality - positive feedback loop
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- Henry Ford No variety (one model, one color) - 19 years Toyota production system Kaizen – continuous improvement Just in time Jidoka - automation
- Principles Plan – Do – Check – Act
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- Muri – stressing or overburdening the people, equipment or system Muda – type 1 – non-value adding, but necessary for the system. Reduce until you can eliminate Muda – type 2 – non-value adding and unnecessary. Eliminate first!
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- Plan Create a plan, define steps, predict results of the change Do Execute the plan on a small scale or in a test environment. Check Examine the results. Decide whether to continue or try again. Act Implement the change on the broader scale or further.
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- Manufacturing business services based on lean ideas Better align IT with business
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- Mary and Tom Poppendieck
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- First way of DevOps
- Third way of DevOps Sharing!
- . But not too late :)
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- Second way of DevOps
- More sloppy code because of urgency Bigger utilization of departments (QA)
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- MVP Build – Measure - Learn Validated learning
- MVP Build – Measure - Learn Validated learning
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