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Derek Comartin

Greg Young answers your Event Sourcing questions!

I asked you for your questions about Event Sourcing and CQRS. I took some of those questions to Greg Young for answers about frameworks, Legacy Systems, Use Cases, Projections, Eventual Consistency, and Versioning. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Makes sure to watch the video for all of Greg’s answers. I will put some thoughts together about each of the questions that people on YouTube, Patreon, and Discord asked. Frameworks Greg has mentioned that he doesn’t think that CQRS requires a framework. I agree… Read More »Greg Young answers your Event Sourcing questions!

Underrated skill as a developer

What do you think is an important skill to have when in a role or wanting to be in a position that requires making decisions around software architecture and design? There was a phase in the middle of my career that changed my point of view. I’d like to explain what is an underrated skill that I credit for making various technical decisions, including those around architecture and design. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Budget This tweet resonated with me because there was… Read More »Underrated skill as a developer

BEWARE of Consumer Lag!

An essential aspect of Event-Driven Architecture is understanding how your system is performing (throughput). Everything is running smooth, and services are publishing and consuming events, and then out of nowhere, one service starts failing or has a significant decrease in throughput, which then causes havoc to your system. Let me explain some of those reasons and why having metrics and alarms will allow you to proactively make changes to keep everything running smoothly. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Consumer Lag / Queue Length… Read More »BEWARE of Consumer Lag!