In Microservices Architectures whenever the load on an application increases or decreases the provision of Instances/Servers increases or decreases accordingly by the familiar process of Auto-Scaling. As it takes a lot of design process and implementation for scaling microservices that are hidden, one such hidden design detail is the Service…

In this Blog, we’ll see how to integrate Kafka in Nestjs, if you would like to know about Kafka feel free to check a few blogs on Kafka What is Kafka?, …

Kafka Architrecture Overview it's the core of a messaging system messages need to move from point A to point B along the way they start with producers will write a message and that message will go to a Kafka broker to then be read by consumers so you have writers and readers essentially…

Apache Kafka is a publish-subscribe messaging system. A messaging system lets you send messages between processes, applications, and servers works now we’ll see how Topics, Partitions, and Offsets work in Apache Kafka 1. Topics Topics are Particular Stram of Data, similar to a table in a database (without all the constraints such…

Ever wondered how famous websites or APIs gets served to the users without any downfall of the services even having Efficient number and Power of Servers, the answer to your thought is Load Balancing. Load balancing (server farm or server pool) can be referred as efficiently distributing incoming network traffic…

In this Blog we’ll understand the real-world use cases of Publish-Subscriber Pattern to implemented and Applied, and we’ll see when to and when not to use the Publish-Subscriber Pattern. So lets see the different use-case of Publish-Subscriber Pattern, so that we can effectively utilize the pattern. Use Cases 1. Async WorkFlow…

Before Diving into the Publisher-Subscriber Concept let's recap the concept of Asynchronous Communication and Message Queues A Phone call over two/more individuals can be an example of Synchronous communication whereas Text/WhatsApp/Email Messages. can be a good example of Asynchronous Communication(A message will be sent to the person/group of people and…

Before Diving into the Messaging Queue, Lets have a view on the Synchronous vs Asynchronous Communication, So, Lets take an Example of communication between two people over a Phone call, That is a Synchronous Communication where in both the parties are interconnected with each other over a dedicated line exchanging…

As in Monolithic architecture, where its Application components are tightly coupled, where in they are directly connected to one another, So Lets an Example of retail application to understand Better So, In a simple retail application, if we had a checkout service and it needed to communicate with an inventory…