Eventually, after chipping away at the edges, we will finally reach the core. The real guts of the monolith. The important bits. Tread Carefully This will be where any missteps have very hard ramifications. When a problem is introduced in the core, it will be very noticeable. Luckily, by now we have quite a bit … Read more
As we continue exploring breaking apart the monolith into smaller chunks, we will start to find edges that are not clear. The easy and trivial edges are done, and now we face the hard edges. Defining the Boundary These pieces require even more code archaeology than before. We need to really dig in and understand … Read more
Where do you start when confronted with the daunting task of bringing a legacy system up to date? How do you figure out what the pieces of that system are, let alone what they do? In any legacy system, there are pieces that have been forgotten. Yet you are under pressure to reduce risk and … Read more
Are you demoralized by your legacy system? Why? Is it hard to work with? Slow? Buggy? Big? Hard to understand? Legacy Story At some point, this legacy system was a green field. The developers were eager to work on it, and it used all the best new tools, technologies, architectures, etc. It became successful. It … Read more
Do you have legacy microservices? It’s not surprising if you do, especially if some of those microservices (or macroservices, or miniliths) were really just a lift-and-shift of some already legacy software into a microservice structure and deployment. Microservices present a unique challenge for refactoring, because the clients are so much harder to find than in … Read more
How do you keep a legacy application up, running, and maintained all while trying to refactor it to a new architecture? We all know that the world isn’t going to stop and let you go off for x months/years to rewrite a legacy system in the new shiny architecture and language/framework. Even if you do … Read more