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Understanding Technical Debt: A Primer for Product Owners and Founders
The document discusses technical debt, defining it as the cost accumulated from quick code deployment that is not promptly addressed. It explores how technical debt can hinder innovation and scalability during various product life cycle stages and outlines practices that contribute to its accumulation. Additionally, the author suggests continuous improvement and regular code cleanup to manage technical debt without halting feature development.
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Understanding Technical Debt: A Primer for Product Owners and Founders
- 1. UNDERSTANDING TECHNICAL DEBT @andreagoulet ANDREA GOULET CO-FOUNDER& CEO, CORGIBYTES @ANDREAGOULET CORGIBYTES.COM
- 2. WHO HERE… KNOWS WHATTECH DEBT IS? @andreagoulet
- 3. WHO HERE… WANTS TOPREVENT TECH DEBT? @andreagoulet
- 4. WHO HERE… WANTS TOPAY DOWN EXISTING TECH DEBT? @andreagoulet
- 5. @andreagoulet SOFTWARE REMODELING We make existing softwaremore stable, scalable, and secure.
- 6. @andreagoulet AND WE ABSOLUTELYLOVE IT!
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- 8. @andreagoulet “Shipping first-time codeis like going into debt. A little debt speeds development so long as it is paid back promptly with a rewrite. Objects make the cost of this transaction tolerable. The danger occurs when the debt is not repaid. Every minute spent on not-quite-right code counts as interest on that debt. Entire engineering organizations can be brought to a stand-still under the debt load of an unconsolidated implementation, object-oriented or otherwise.” -WARD CUNNINGHAM, 1992 Source: https://www.techopedia.com/definition/27913/technical-debt
- 9. HOW DOES TECHDEBT GET ACCRUED? @andreagoulet
- 10. “WHAT’S LAYERING?” “NOW WEKNOW HOW WE SHOULD HAVE DONE IT.” “WE MUST SHIP NOW AND DEAL WITH THE CONSEQUENCES.” “WE DON’T HAVE TIME FOR DESIGN.” @andreagoulet DELIBERATEINADVERTANT MARTIN FOWLER’S TECH DEBT QUADRANT RECKLESS PRUDENT Source: https://martinfowler.com/bliki/TechnicalDebtQuadrant.html
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- 12. @mscottford TECHNICAL HEALTH -DECLAN WHEELAN
- 13. @mscottford CLUTTER - “UNCLE”BOB MARTIN
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- 16. WHEN IS TECHDEBT BAD? @andreagoulet
- 17. @andreagoulet PRODUCT LIFE CYCLESALES IntroductionGrowth Maturity Decline TIME
- 18. @andreagoulet “WE’RE AGILE. ITNEEDS TO BE A CIRCLE.” M. Scott Ford, Corgibytes CTO
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- 20. @andreagoulet PRODUCT LIFE CYCLE GROWTH MATURITY DECLINE INTRODUCTION TECHDEBT PREVENTS INNOVATION
- 21. @andreagoulet PRODUCT LIFE CYCLE GROWTH MATURITY DECLINE INTRODUCTION TECHDEBT PREVENTS SCALE TECH DEBT PREVENTS INNOVATION
- 22. @andreagoulet PRODUCT LIFE CYCLE GROWTH MATURITY INTRODUCTION ????????? TECHDEBT PREVENTS SCALE TECH DEBT PREVENTS INNOVATION
- 23. @andreagoulet PRODUCT LIFE CYCLE GROWTH MATURITY INTRODUCTION REMODELING TECHDEBT PREVENTS SCALE TECH DEBT PREVENTS INNOVATION
- 24. @andreagoulet PRODUCT LIFE CYCLE GROWTH MATURITY INTRODUCTION REMODELING MAKERS TECHDEBT PREVENTS SCALE TECH DEBT PREVENTS INNOVATION
- 25. @andreagoulet PRODUCT LIFE CYCLE GROWTH MATURITY INTRODUCTION REMODELING MAKERSLOVE: • Prototypes • MVPs • Feature Building • Experimentation MAKERS TECH DEBT PREVENTS SCALE TECH DEBT PREVENTS INNOVATION
- 26. @andreagoulet PRODUCT LIFE CYCLE GROWTH MATURITY INTRODUCTION REMODELING MAKERS ???????? MAKERSLOVE: • Prototypes • MVPs • Feature Building • Experimentation TECH DEBT PREVENTS SCALE TECH DEBT PREVENTS INNOVATION
- 27. @andreagoulet PRODUCT LIFE CYCLE GROWTH MATURITY REMODELING INTRODUCTION MAKERS MENDERS MAKERSLOVE: • Prototypes • MVPs • Feature Building • Experimentation TECH DEBT PREVENTS SCALE TECH DEBT PREVENTS INNOVATION
- 28. @andreagoulet PRODUCT LIFE CYCLE GROWTH MATURITY REMODELING INTRODUCTION MENDERSLOVE: • Bug Fixes • Refactoring • Performance • Security • Scalability MAKERS MENDERS MAKERS LOVE: • Prototypes • MVPs • Feature Building • Experimentation TECH DEBT PREVENTS SCALE TECH DEBT PREVENTS INNOVATION
- 29. @andreagoulet PRODUCT LIFE CYCLE GROWTH MATURITY REMODELING INTRODUCTION MAKERS MENDERS 10%OF DEVELOPERS MAKERS LOVE: • Prototypes • MVPs • Feature Building • Experimentation TECH DEBT PREVENTS SCALE TECH DEBT PREVENTS INNOVATION MENDERS LOVE: • Bug Fixes • Refactoring • Performance • Security • Scalability
- 30. @andreagoulet WAIT A MINUTE! YOU MEAN I’M NOT ALONE?
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- 33. PRACTICES THAT CAUSE TECHTEBT @andreagoulet
- 34. @andreagoulet • DUPLICATION (Copy/PastingCode) • COMPLEXITY (Number of Paths) • POOR COMMUNICATION (naming, commits, docs, pull requests, etc.) • NO TEST COVERAGE (use BDD and TDD to prevent tech debt from forming) • SILOS IN TEAM (Conway’s Law - everyone on team should code and communicate)
- 35. TOOLS FOR ANALYZING TECHDEBT @andreagoulet
- 36. @andreagoulet • STATIC ANALYSIS •Code Climate (Ruby, Python) • NDepend (C#/.NET) • SonarQube (Many, including Java) • BitHound (JavaScript) • OTHERS • SonaType (OpenSource Licenses) • Gemnasium (dependencies) • RuboCop (ruby style guide) • CodeShip (Continuous Delivery, Integration & Deployment)
- 37. SHOULD I STOPFEATURE DEVELOPMENT TO PAY TECH DEBT DOWN? @andreagoulet
- 38. Make continuous improvement andcode cleanup a habit and you won’t need to stop feature development to pay down technical debt. @andreagoulet
- 39. @mscottford BOY SCOUT RULE- “UNCLE” BOB MARTIN WHENEVER YOU TOUCH YOUR CODE, LEAVE IT BETTER THAN YOU FOUND IT.
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- 41. UNDERSTANDING TECHNICAL DEBT @andreagoulet ANDREA GOULET CO-FOUNDER& CEO, CORGIBYTES @ANDREAGOULET CORGIBYTES.COM