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Culture & Methods

Debugging Outside Your Comfort Zone: Diving Beneath a Trusted Abstraction

This article takes a deep dive through a complex outage in the main database cluster of a payments company. We’ll focus on the aftermath of the incident - the process of understanding what went wrong, recreating the outage in a test cluster, and coming up with a way to stop it from happening again, and dive deep into the internals of Postgres, and learn about how it stores data on disk.

Chris Sinjakli
on Jun 07, 2023
Java

Easy Implementation of GDPR with Aspect Oriented Programming

GDPR compliance should be a default feature in every application that handles PII (Personally Identifiable Information). Most organizations have an impression that GDPR is a luxury feature that needs special tools to implement. But, we can see that the frameworks and design patterns we already use in our everyday development can very well be used to implement the GDPR rules.

Harish Kumar
on May 24, 2023 2
Java

Data Oriented Programming in Java

Project Amber has brought a number of new features to Java in recent years. While each of these features are self-contained, they are also designed to work together. Specifically, records, sealed classes, and pattern matching work together to enable easier data-oriented programming in Java.

Brian Goetz
on Jun 20, 2022 7
Culture & Methods

Adaptability by Agreement: Valuing Outcomes over Imposed Solutions

In the pursuit of agile at scale, the landscape is dominated by process-driven approaches which are broken. This article explores a solution-driven rollout approach, one that puts authentic agreement on outcomes before solutions. The principles on which it is based are also effective as leadership strategies, where frameworks are resources to draw upon as people find fitting solutions.

Mike Burrows
on May 20, 2022
Culture & Methods

Managing Technical Debt in a Microservice Architecture

At QCon Plus, Glenn Engstrand described how Optum Digital engineering devised a method for reliably and predictably paying down tech debt for hundreds of microservices, forming relevant communities and identifying high-risk areas. The communities' collective decisions can be compiled into an actionable roadmap and presented to product managers in a systemic and non-confrontational way.

Glenn Engstrand
on Feb 02, 2022
Culture & Methods

Validation of Autonomous Systems

This article introduces validation and certification as well as the general approval of autonomous systems and their components, such as those used in automation technology and robotics. It gives an overview of methods for verification and validation of autonomous systems, sketches current tools and show the evolution towards AI-based techniques for influence analysis of continuous changes.

Christof Ebert Michael Weyrich
on Jun 23, 2021
Culture & Methods

Agile Transformation: an Integral Approach

The book Agile Transformation - Using the Integral Agile Transformation Framework to Think and Lead Differently by Michael Spayd and Michele Madore provides an integral approach to agile transformations. The integral approach operates on all levels, from individuals to teams to the whole enterprise, helping us take multiple perspectives on situations and to think and act from multiple worldviews.

Ben Linders Michael Spayd Michele Madore
on May 28, 2021
Culture & Methods

The Game Master's Framework for Software Development

The Game Master Framework for Software (GeMs) combines role-playing concepts with software development, effectively creating a framework to deliver software in complex and chaotic environments. GeMs allows you to use your skills from playing Warhammer, WoW, Dungeons, or dragons, and C’thulu, to create software. GeMs combes gaming tactics with software creation.

Fredrik Carleson
on May 19, 2021
Culture & Methods

The Flow System: Leadership for Solving Complex Problems

The Flow System elevates Lean Thinking in an age of complexity by combining complexity thinking, distributed leadership, and team science into the Triple Helix of Flow, which organizations can use to become more innovative, adaptive, and resilient. This second article on The Flow System dives into the three helixes of complexity thinking, distributed leadership, and team science.

Ben Linders John Turner Nigel Thurlow Brian Rivera
on May 14, 2021 2
Culture & Methods

2021 State of Testing Report: Testing Careers, Covid-19, Agile, Coaching & Training, Automation

The 2021 State of Testing report provides insights into the adoption of test techniques, practices, and test automation, and the challenges that testers are facing. Key topics from this report are testing careers, the impact of Covid-19, agile, DevOps and other methodologies, testing coaching & training, and automation and scripting.

Ben Linders Lalitkumar Bhamare Joel Montvelisky
on May 06, 2021
Culture & Methods

The Flow System: Getting Fast Customer Feedback and Managing Flow

The Flow System elevates Lean Thinking in an age of complexity by combining complexity thinking, distributed leadership, and team science into the Triple Helix of Flow, which organizations can use to become more innovative, adaptive, and resilient. This first article explores the importance of quality, getting fast feedback from customers, the concept of flow, and The Flow System.

Ben Linders John Turner Nigel Thurlow Brian Rivera
on Mar 30, 2021
Culture & Methods

Applying Stoicism in Testing

Agility stands for being aware of your environment. There is a specific set of values for a tester that you should stick to; they set limits to what you can deliver as a tester, and within those limits, you can keep your agility. But your values can cause a “collision” with agile people around you, because they don’t have to be perfectly in line with how people apply the agile principles.

Ard Kramer
on Mar 23, 2021