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

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 that People Who Aren't Programmers Do Not Understand This . –Joel Spolsky - The Iceberg Secret, Revealed

For a component that appears to be working , a non-programmer will assume the technical debt is minimal , or nonexistent . –Colin Breck - The Iceberg Secret Is Just the Tip of the Iceberg

…the only way to go fast is to go well –“Uncle Bob” Martin - A Spectrum of Trust We haven’t seen good… –Dave Farley - The Rationale for Continuous Delivery

I NSPIRATION

Q UALITY V IEWS

C ODE T ESTING D EPLOYMENT M ONITORING A LERTING S ECURITY H IGH -A VAILABILITY S CALABILITY + R ISK = 9

0 9

Q1 Q2

Q2 Q3

I can’t wait to see how good our quality view looks after all our recent work! –“Star-Lord”

C ODE T ESTING D EPLOYMENT M ONITORING A LERTING S ECURITY H IGH -A VAILABILITY S CALABILITY + R ISK = 7

C ODE T ESTING D EPLOYMENT M ONITORING A LERTING S ECURITY H IGH -A VAILABILITY S CALABILITY + R ISK = 2

C ODE T ESTING D EPLOYMENT M ONITORING A LERTING x 2 S ECURITY x 2 H IGH -A VAILABILITY S CALABILITY + R ISK = 11

S POOFING I DENTITY T AMPERING WITH D ATA R EPUDIATION I NFORMATION D ISCLOSURE D ENIAL OF S ERVICE + E SCALATION OF PRIVILEGE = 6

Thinking, Fast and Slow –Daniel Kahneman

We can grade areas of our systems and see how they change over time… – 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 … – Michael Feathers - Symbiosis - Implications

We can feed that information into our work and make better choices . – Michael Feathers - Symbiosis - Implications

Q UALITY V IEWS

Q UESTIONS ?