This post is a condensed excerpt that I use for a tech talk about scaling distributed systems. Kafka is a message broker and Event Store is a database for stream of events. The roles of these tools has been extended and not always with good results. One can be a good simple ingestion tool while… Continue reading Kafka vs Event Store on scaling processing in a messaging architecture
In the ingestion phase data went through the front door to enter our domain. In the domain area we want to process the data in case they mean something for our components, ignore them if not relevant or raise exception if the data are relevant but something is not right. In the previous phase, the… Continue reading Distributed Architecture 02: The Processing
Given that you are using Event Store Persistent SubscriptionsWhen your clients publish messages to streamsThen the UI shows a Red flag even if the messages are handled The setting MinimumCheckPointCountOf https://eventstore.org/docs/dotnet-api/competing-consumers/index.html#persistent-subscription-settings can determine the ‘Status # of msgs’ on the Persistent Subscriptions UI View. The default value of this setting is 10. When a checkpoint… Continue reading Persistent Subscriptions Status in Event Store UI
This is a draft public available to get feedback while I’m writing it. It will change day by day in the next coming weeks. In this guide I will go through an E-Commerce scenario in order to show how to combine Publish Subscribe, Event Sourcing and CQRS to build loosely couple Microservices. Our business requirement… Continue reading Event Sourcing Step-by-step
[EDIT] The new official Event Store Helm Chart is now available [EDIT-EDIT] Unfortunately the EventStore team was not willing to support an official Helm Chart and they discontinued it with a bit of non-sense around the need of a data operator. Having a data operator for Kubernetes it’s a good idea as an addition in… Continue reading Set up an EventStore cluster on Kubernetes
This post is a quick step by step guide on running a single EventStore https://geteventstore.com/ node on a free EC2 micro Aws instance. You can spin up quite easily this in order to start using the EventStore Web console and play with it for testing. In a real scenario, you must set a larger EC2… Continue reading Run EventStore OSS on an EC2 AWS instance
