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Troubleshooting Kafka with 2000 Microservices

Event-Driven Architecture is excellent for loose coupling between services. But as with everything, it comes with its challenges and complexity. One of which is Troubleshooting. I will dive into issues Wix.com experienced when using Kafka with over 2000 microservices. While this might not be your scale, you’ll likely encounter the same situations when working with Kafka or Event-Driven Architecture. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Tracing One of the common issues people face with Event-Driven Architecture is understanding the flow of events and interactions… Read More »Troubleshooting Kafka with 2000 Microservices

Don’t Fail Publishing Events!

Consistency is critical when working with an event-driven architecture. You must ensure that when you make state changes to your database, the relevant events you want to publish are published. You can’t fail publishing events. Events are first-class citizens, and when events drive workflows and business processes, they rely on this consistency between state changes and published events. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Atomicity Here’s an example of placing an order. At the very bottom of this method, we publish an OrderPlaced event… Read More »Don’t Fail Publishing Events!

Wix.com – 5 Event Driven Architecture Pitfalls!

Wix.com migrated from a request-reply RPC style system to an event driven architecture and, not surprisingly, ran into a few issues. One of the developers wrote a blog post outlining five event driven architecture pitfalls they experienced. Here’s my review of that post, and hopefully sheds more light on their problems and solutions. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Reliable Publishing When using an event driven architecture, you’ll be publishing events as a communication mechanism to other parts of your system. You’re telling other… Read More »Wix.com – 5 Event Driven Architecture Pitfalls!