U SING Q UALITY V IEWS TO T ACKLE T ECHNICAL D EBT AT S EEN N OT S - - PowerPoint PPT Presentation

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U SING Q UALITY V IEWS TO T ACKLE T ECHNICAL D EBT AT S EEN N OT S - - PowerPoint PPT Presentation

Aug 24, 2022 470 likes •1.06k views

U SING Q UALITY V IEWS TO T ACKLE T ECHNICAL D EBT AT S EEN N OT S EEN Q UALITY V IEWS M OTIVATION Big Ball of Mud Foote and Yoder E XPEDIENT R EPAIR Of course this is only temporary , unless it works . Red Green The secret is

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USING QUALITY VIEWS TO TACKLE TECHNICAL DEBT AT

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SEEN NOT SEEN

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QUALITY VIEWS

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MOTIVATION

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– Foote and Yoder –

Big Ball of Mud

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EXPEDIENT REPAIR

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– Red Green –

Of course this is only temporary, unless it works.

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–Joel Spolsky - The Iceberg Secret, Revealed

The secret is that People Who Aren't Programmers Do Not Understand This.

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–Colin Breck - The Iceberg Secret Is Just the Tip of the Iceberg

For a component that appears to be working, a non-programmer will assume the technical debt is minimal, or nonexistent.

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–“Uncle Bob” Martin - A Spectrum of Trust

…the only way to go fast is to go well

–Dave Farley - The Rationale for Continuous Delivery

We haven’t seen good…

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INSPIRATION

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QUALITY VIEWS

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CODE TESTING DEPLOYMENT MONITORING ALERTING SECURITY HIGH-AVAILABILITY SCALABILITY RISK

+ 9 =

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9

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Q1 Q2

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Q2 Q3

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–“Star-Lord”

I can’t wait to see how good our quality view looks after all our recent work!

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CODE TESTING DEPLOYMENT MONITORING ALERTING SECURITY HIGH-AVAILABILITY SCALABILITY RISK

+ 7 =

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CODE TESTING DEPLOYMENT MONITORING ALERTING SECURITY HIGH-AVAILABILITY SCALABILITY RISK

+ 2 =

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CODE TESTING DEPLOYMENT MONITORING ALERTING SECURITY HIGH-AVAILABILITY SCALABILITY RISK

+ 11 = x 2 x 2

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SPOOFING IDENTITY TAMPERING WITH DATA REPUDIATION INFORMATION DISCLOSURE DENIAL OF SERVICE ESCALATION OF PRIVILEGE

+ 6 =

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–Daniel Kahneman

Thinking, Fast and Slow

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– Michael Feathers - Symbiosis - Implications

We can grade areas of

  • ur systems and see how

they change over time…

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– Michael Feathers - Symbiosis - Implications

We can have continual conversations about the quality and readiness of our systems not just at the development level, but at the organization level…

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– Michael Feathers - Symbiosis - Implications

We can feed that information into our work and make better choices.

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QUALITY VIEWS

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QUESTIONS?