Systems Architecture

This article discusses how to implement an Event Stream Registry. If your first question is “What is an Event Stream Registry?”, you can read the first part of this series of articles here. Considerations for an Event Stream Registry At its core, the Event Stream Registry is a small dataset that can be queried and updated…

In this article we will look at building a data-lineage tool using an Event Stream Registry. For more information on what an Event Stream Registry is and how to implement one, please refer to parts one and two of this series of articles. The importance of visibility In order for distributed systems to function…

The development of clouds, the DevOps movement, and distributed microservice-based architecture have come together to make observability vital for modern architecture. We’re going to dive into what observability is and how to approach the metrics we need to track. Observability is a way of spotting and troubleshooting the root causes…

“If you define the problem correctly, you almost have the solution.” Steve Jobs. “We never had Solution Architects at our company before. What is a Solution Architect, and what does a Solution Architect do?” is a common question I faced during a job interview for a Solution Architect role. While…

Every morning, I wake up before dawn and head downstairs to the kitchen. My cat pads along behind me. I grind coffee beans and press them into a half-caff double shot of espresso. I stir in frothed-up Silk Original Creamer, then carry my mug up to my study. The cat…

40 years ago, we searched for an apartment, or the job to pay for it, in a newspaper. Information lived at the local library. We mailed letters, we waited for phone calls. On Wednesday night at precisely 8pm, we watched our favorite show. On Saturdays, we went to the movies. …

Hello and welcome to the first article in the “CI/CD from Kitchen” series. In the first article, I’m sharing with you my collection of practices for building a multi-tenant CI/CD system as a part of an Internal Developer Platform. I cannot guarantee that it is the best approach in your…

Have you ever heard about GraphQL? In this article we introduce you to this API standard that is increasingly being adopted across companies. We go through the basics, and see how it works behind the scenes. Thereafter, we observe how to aggregate multiple GraphQL microservices (subgraphs) into a single powerful…

One of the biggest challenges when developing an application is to deliver acceptable performance regardless of the number of users. Scalability is not easy and often requires you to take decisions early in the architecture to make sure that you will be able to meet the expectations. In this article…