Architecture Weekly #130 - 5th June 2023
Welcome to the new week! Last Monday, we had a webinar for paid subscribers of Architecture Weekly, discussing Postgres Superpowers in Practice. You can watch it too and learn using the Fleet Management example of how Postgre can help to deliver faster business value. Almost two hours of practical knowledge and hands-on experience! Real-world examples are always crucial as part of providing design. I wrote already longer on the risk of ignoring risks. Thinking about what can go wrong and finding potential remediations is essential. That can help us to find the unknowns and challenge the initial assumptions. Andreas Öhlund and David Boike presented an intriguing technique of using anti-requirements. They wrote:
Read more in: I like that idea, as I also observed in my projects that essential business knowledge is often not passed to us by the business. And it’s not that they want to or ignore it, just it’s so common for them that they assume it’s the same for us. Which too often is not. Still, finding unknowns is just the homework that we should do. The real challenges are unknown unknowns. Our world is so complex that finding all the challenges is impossible. Based on our gut feeling is too big a risk and one of the reasons for failure. I had the big pleasure of watching live the talk by Barry O'Reilly, where he explained his Residuality Thory. It’s a result of his scientific research and his experience as an architect. It’s based on the chaos theory but made actionable for us, mere humans. Check his research and a bit older recording; we don’t have a lot of new thrilling ideas like that. It’s a must known about unknowns. We should be careful not to overcomplicate our design and focus on delivering something good enough. I wrote about the Holy Graal syndrome, which in my opinion, is one of the fallacies and the reasons why we overcomplicate design. You don’t know it? Then read more in: Getting back to business rules, do you know there’s a Business Rules Manifesto and a standard for business rules? Yes, it is. The page looks quite nineties, and the text looks a bit formal, but there are a lot of interesting and actionable points there. Check: Getting back to the chaos, check talk by Holly Cummins, showing her lessons learned on running Microservices on the scale. All backed with personal experience on the staff that can go wrong, what we’ll have to deal with and how to survive the mayhem. Staying on the practical level, check the recording of Stefan Pölz webinar where he’s showing the mutation testing using C# as an example. Per Wikipedia:
Together with property testing it’s one of the automated ways to discover what our code is missing. This is super important, as our tests usually can only verify what we predicted. Yes, even if we have 100% test coverage. Test coverage is one of those metrics that can give a hint but not always show the whole picture. The same can happen in glorified DevOps DORA Metrics. Check what can go wrong if we’re too focused on measurements. On the DevOps part, see a nice walkthrough of the latest duel Service Mesh vs eBPF. So how to inject our common cross-cutting concerns into our system. As always, the stakes are complexity, performance and efficiency. Check also other links! Cheers p.s. I invite you to join the paid version of Architecture Weekly. It already contains the exclusive Discord channel for subscribers (and my GitHub sponsors), monthly webinars, etc. It is a vibrant space for knowledge sharing. Don’t wait to be a part of it! p.s.2. Ukraine is still under brutal Russian invasion. A lot of Ukrainian people are hurt, without shelter and need help. You can help in various ways, for instance, directly helping refugees, spreading awareness, and putting pressure on your local government or companies. You can also support Ukraine by donating, e.g. to the Ukraine humanitarian organisation, Ambulances for Ukraine or Red Cross. Architecture
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Webinar #10 - PostgreSQL Superpowers in Practice
Tuesday, May 30, 2023
Watch now (119 min) | This was our 10th webinar; that escalated quickly! We discussed PostgreSQL Superpowers in Practice. Intriguingly, PostgreSQL is both popular and underrated. Many people use it
Architecture Weekly #129 - 29th May 2023
Monday, May 29, 2023
Welcome to the new week! Today, at 6 PM CET (UTC+2), we'll have the 10th webinar for the Architecture Weekly paid subscribers community. I'll show Postgres Superpowers in Practice. If you liked
Architecture Weekly #128 - 22th May 2023
Monday, May 22, 2023
Welcome to the new week! It's an anniversary release of the Architecture Weekly 10000000! How quickly did it go? Woohoo! Usually, one of the main drivers for Event Sourcing is the audit log
Architecture Weekly #127 - 15th May 2023
Monday, May 15, 2023
Welcome to the new week! We released the new major version of Marten: v6. I gathered some of my thoughts/insights/lessons learned about running an Open Source project that came to my mind after
Architecture Weekly #126 - 8th May 2023
Monday, May 8, 2023
Welcome to the new week! I'm writing to you from sunny Athens; I was talking last week at Devoxx Greece. I was joking that the organisers intentionally selected my talk as one of the closing
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