Introduction The example I will show you here about the asynchronous communication among microservices or how microservices communicate asynchronously among themselves. A microservices-based application is a distributed system running on multiple processes or services, usually even across multiple servers or hosts. Each service instance is typically a process. Therefore, services must interact using an inter-process…

Introduction Here in this tutorial I am going to show you how to work with Apache Kafka consumer and broker failover in multi-broker clusters. Kafka is a distributed event streaming platform that lets you read, write, store, and process events (also called records or messages in the documentation) across many machines. Example events are payment…

Here I am going to build an application to show how to use Spring Cloud Bus. Let’s say you have multiple applications reading properties using Spring Cloud Config from centralized configuration files (for example, from Git repository). Spring Cloud Config is where you can have not only your all configurations centrally managed but also you…

Introduction In this tutorial I am going to show you how to use Python client to work with Apache kafka distributed stream processing system. I will create Kafka producer and consumer examples using Python language. KafkaConsumer is a high-level message consumer that consumes records from a kafka cluster. The consumer is not thread safe and…

In this tutorial we will see an example of event driven streaming using Spring Cloud Stream and Apache Kafka streaming platform. How do we deal with some events, such as, a new user has registered to a portal, an order was placed, a file has been uploaded etc? Let’s say when an order was placed…

Introduction In this tutorial I will show you how to work with Apache Kafka Streams for building Real Time Data Processing with STOMP over Websocket using Spring Boot and Angular 8. We will see how to build push notifications using Apache Kafka, Spring Boot and Angular 8. We need to provide some basic things that…

Introduction In this tutorial I will show you how to produce and send message using Apache Kafka and Spring Boot. Apache Kafka is supported by providing auto-configuration of the spring-kafka project. Kafka configuration is controlled by external configuration properties in spring.kafka.*. I will show you how to build this application using both maven and gradle…

Introduction In this guide I will tell you how to setup and work with publish subscribe domain in Apache Kafka in windows environment. I am not going to tell you about Kafka and you will find very good documentation on this here. Kafka works on publish subscribe domain and this tutorial will show you how…