Kafka Tutorial

Kafka is used a message broker in our event driven frameworks like light-eventuate-4j, light-tram-4j and light-saga-4j. During development, we normally use Kafka in Docker container along with Zookeeper container although it makes debugging and monitoring a little bit complicated. This section contains several tutorials to show users how to debug and monitor Kafka, Zookeeper and resolve issues when it is not working as expected.

Debug

Debug Kafka

As we are using Kafka as message broker, we need to make sure we can debug and monitor Kafka cluster during runtime. There are standard tools provided by Kafka to check the topics and check the messages in each topic. These scripts are in bin directory from Kafka installation directory. You can find a lot of online material on how to use these scripts. When we dockerize Kafka and run Kafka in a docker compose with Zookeeper, things will be a little different. Read More »