Overview In this tutorial, I would like to demonstrate Scatter Gather Pattern which is one of the Enterprise Integration Patterns for the distributed system architecture using NATS messaging server. Please check my previous artcile here to know more about NATS. Scatter Gather Pattern Let’s consider an application in which we need to do a set […]
Overview: In this tutorial, I would like to show you one of the Microservice Design Patterns – Event Carried State Transfer to achieve the data consistency among the Microservices. Event Carried State Transfer: Modern application technology has changed a lot. In the traditional monolithic architecture which consists of all the modules for an application, we have
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Overview: In this tutorial, I would like to show you Redis Lua Script with Spring Boot to execute a set of operations as a single transaction or to have some kind of constraints when you do Redis transactions. Redis Lua Script: When a client wants to execute a set of operations on Redis Database, instead
Overview: In this short tutorial, I would like to show Redis Transaction with Spring Boot. Redis Transaction: A Database Transaction is a set of operations which is either executed successfully a single unit of work or the changes are discarded in case of issues. Most of the redis commands can be grouped under get/set. All
Overview: In this tutorial, I would like to demo Redis Master Slave (Read Replicas) using docker compose for local development purposes for a Spring Boot application. If you are new to Spring Boot Redis – check the below articles first. Spring Boot Redis Integration Redis PubSub With Spring Boot Redis Master Slave: Redis is an
Overview: In this tutorial, I would like to demo Spring WebFlux Streaming Response (aka Server Sent Events) – a mechanism for pushing notifications/messages to the browsers from the back-end application in real time. Spring WebFlux Streaming: Traditionally browsers have to make a request to the server to fetch the latest information. It has worked just
Overview In this tutorial, I would like to demo Retry Pattern, one of the Microservice Design Patterns for designing highly resilient Microservices using a library called resilience4j along with Spring Boot. Need For Resiliency Microservices are distributed in nature. When you work with distributed systems, always remember this number one rule – anything could happen. We might be dealing
Overview: In this tutorial, I would like to demo Timeout Pattern, one of the Microservice Design Patterns for designing highly resilient Microservices. Need For Resiliency: Microservices are distributed in nature. When you work with distributed systems, always remember this number one rule – anything could happen. We might be dealing with network issues, service unavailability, application
Overview: In this tutorial, I would like to show you how to integrate RSocket with Spring Boot. If you are new to RSocket, take a look at this article to learn more. RSocket Interaction Models: RSocket is a message passing protocol for multiplexed, duplex communication which supports TCP, WebSockets and Aeron (UDP). It supports following
Overview: In this tutorial, I would like to show you how to set up MongoDB Replica Sets using docker-compose and access MongoDB Change Streams with Reactive Spring Data MongoDB Template. Replica Sets: A replica set is a group of MongoDB instances that maintain the same data set. Replica sets provide redundancy and high availability. MongoDB