Just-in-time development with kanban - JAX London 2011
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A just in time approach to getting things done using the kanban technique - including experiences from my own team and coaching other teams.
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Just-in-time development with kanban - JAX London 2011
- 1. JIT Development with kanban John Stevenson Lean Agile Machine ©LeanAgileMachine Creative Commons Licence
- 2. Who is John Stevenson @JR0cket ©LeanAgileMachine Creative Commons Licence
- 3. Goals Basics of kanban Visualise your challenges ©LeanAgileMachine Creative Commons Licence
- 5. What is the problem... Never enought time Always more to do Something urgent comes up Missed opportunities Work to do, bills to pay, kids to feed... Window of opportunity for getting stuff done is limited ©LeanAgileMachine Creative Commons Licence
- 6. How many hours do you work a week ? ©LeanAgileMachine Creative Commons Licence
- 7. How many hours are you productive per week ? ©LeanAgileMachine Creative Commons Licence
- 8. What is Kanban ? ● A way to manage dependant events ● Make your work visible ● Limit your work in progress Avoiding multi-tasking – its inefficient ● Pull system only work on a task once previous task is complete ● Help work to flow continuously and predictably deliver value ©LeanAgileMachine Creative Commons Licence
- 10. Software projects design ©LeanAgileMachine Creative Commons Licence
- 11. Kanban board - Wall of Facts ©LeanAgileMachine Creative Commons Licence
- 12. Value stream mapping The (often wide) path to getting things done Activities that get things done effectively ©LeanAgileMachine Creative Commons Licence
- 13. Let the board show issues... V1.0.1, V1.0.2, V1.0.3, V1.0.4, Build 1209 Build 1221 Build 1301 ©LeanAgileMachine Creative Commons Licence
- 14. How did I build my Kanban ● Started simple with: Plan – Do – Done Used scrap of paper for initial design Built a simple board and started using it ● Evolved into Plan – Do – Check – Act Evaluated deficits in board and enhanced ● Used online Kanban So I dont need to cary a large whiteboard around Useful for distributed teams ©LeanAgileMachine Creative Commons Licence
- 19. Is something ready to work on? ● Identify completed work between seperate board lanes ● Spilt the study board lane into two First new lane is doing state Second lane is done / ready ©LeanAgileMachine Creative Commons Licence
- 20. Ready queue ©LeanAgileMachine Creative Commons Licence
- 21. Quick decisions Having a ready lane show you what you could work on next Prompts discussion as when something is ready to move from one stage / role to another Start to see if there is a bottleneck if cards queue up in the ready column ©LeanAgileMachine Creative Commons Licence
- 22. Let the board run ©LeanAgileMachine Creative Commons Licence
- 24. So What is missing ? ● I have a Kanban board ● I am breaking my tasks down into relatively small chunks ● But I still have far too much to do... ©LeanAgileMachine Creative Commons Licence
- 25. Lets apply the WIP !!! ● To sudy effectively I need to focus ● To focus I need to work on 1 thing at once ● To work on 1 thing at once I need: Work In Progress Limits ©LeanAgileMachine Creative Commons Licence
- 26. How to decide what is right Experiment !! Map to resources ©LeanAgileMachine Creative Commons Licence
- 27. With one tester resource ©LeanAgileMachine Creative Commons Licence
- 28. 1 tester, 6 devs pairing ©LeanAgileMachine Creative Commons Licence
- 29. Fast feedback across the board ©LeanAgileMachine Creative Commons Licence
- 30. Fast feedback ● Ltd WIP on Columns Board Goals ● Ltd WIP in column gives fast feeback between team roles They know when there is a hold up Can discuss what the problem is Can try out things to see if it alivates the problem ©LeanAgileMachine Creative Commons Licence
- 31. Predictability ● Ltd WIP ● Smaller batch sizes ● Consistently sized tasks Breaking down features, epics, stories ● Smallest responsible change ©LeanAgileMachine Creative Commons Licence
- 32. Let kanban help you be effective ● Work on only on one thing at once ● Everyone responsible for priority changes Even your manager ● If forced to switch, record and reset task to begining Review ”task switching” overload ©LeanAgileMachine Creative Commons Licence
- 33. Pull system ©LeanAgileMachine Creative Commons Licence
- 34. What else can we do ? ©LeanAgileMachine Creative Commons Licence
- 35. Drop the Backlog omnipresent sign of overload Useful for pushing back to the management Bad for team moral Tasks flow when team is in tune with value, opportunities are not drowned out ©LeanAgileMachine Creative Commons Licence
- 36. Defining the task card ● Set goal of task ● Identify measure to check if goal reached Code should pass all tests ● Identify resources needed to compete ● Identify scope of work refactor task into multiple cards if too big ©LeanAgileMachine Creative Commons Licence
- 37. Use both sided of the card ©LeanAgileMachine Creative Commons Licence
- 38. Classes of service ©LeanAgileMachine Creative Commons Licence
- 39. Experditing ● Visualisation for a high priority task Big red sticker Experditing lane Record other tasks being blocked ● Review why you get high priority task Consider it a constraint / bottleneck ©LeanAgileMachine Creative Commons Licence
- 41. DevOps Goal keeper Goalkeeper fields all issues Rest of team allowed to focus on a (bigger) tasks Use visual indicator to show who is the Goalie Swap goalie regularly ©LeanAgileMachine Creative Commons Licence
- 42. Enhancing the board information ©LeanAgileMachine Creative Commons Licence
- 44. Avatars / Calls for help ©LeanAgileMachine Creative Commons Licence
- 46. Pairing does not have to be two Different roles help share understanding of getting work done ©LeanAgileMachine Creative Commons Licence
- 47. Review your effectiveness ©LeanAgileMachine Creative Commons Licence
- 48. Effective daily standups Avoiding status meetings ● Details already there on the wall ● Talk about something more useful ● Opportunity to improve What have I learnt yesterday ? What do I hope to learn today ? ©LeanAgileMachine Creative Commons Licence
- 49. Kanban board - Wall of Facts ©LeanAgileMachine Creative Commons Licence
- 50. Understanding of Value ©LeanAgileMachine Creative Commons Licence
- 51. Understanding your company Table stakes / foundations Differentiators Spoilers Accelerators ©LeanAgileMachine Creative Commons Licence
- 53. Summary of Kanban ● Visualse work ● Manage WIP ● Helps you stay sane ● Engage with business ● Show you are Shared ownership productive ● Encourage realistic ● Deal with micro- priorities management ©LeanAgileMachine Creative Commons Licence
- 54. Be as creative as needed ©LeanAgileMachine Creative Commons Licence
- 55. The first rule of kanban... ©LeanAgileMachine Creative Commons Licence
- 56. Thank you ©LeanAgileMachine Creative Commons Licence
- 57. Feedback & Refs @JR0cket John@jr0cket.co.uk Please note: Very few bulletpoints were hurt during the making of this presentation ©LeanAgileMachine Creative Commons Licence