Reactive Application

Reactivate your streams with Reactive Streams!!

As you all might have known by now that one of the hot topics for quite some time has been streaming of big data. Day after day, we see tons of streaming technologies out there competing with one another. The obvious reason for that, processing big volumes of data is not enough. We need real-time processing of data, especially when we need to handle continuously increasing Continue Reading

Microservices and the Saga Pattern

Microservices have become a crucial part of any enterprise these days, no matter if it is a big or a small enterprise. When something this big is present in the market why not see some fundamentals of the same? So here we’ll go through the concepts like what is a microservice and Saga Patterns that an ideal microservice should have.

Use Case for Message-driven Reactive Systems

The Case for Message-driven Reactive Systems.

You had me at Microservices! oh no

“Microservices” the way it stands is beginning to become a must-have word for a lot of enterprises. It is being touted as the main component if you are leading a digital transformation journey. System integrators are having a field day calling themselves microservices experts. End of the day 90% of the implementations are going to fail. Why? Because microservices by themselves are not the silver bullet. Definitely, Continue Reading

DynamoDB Core Components

Amazon DynamoDB: Core Components

  DynamoDB is a part of Amazon Web Services. It is a NoSQL database, which supports key-value and document data structures. In this blog, we will be discussing Core components of DynamoDb. Features of DynamoDb: It is a fully managed NoSQL database. It can store & retrieve any amount of data, and can serve any amount of traffic. To maintain fast performance, it distributes data Continue Reading

Custom ErrorHandlers and Lagom

Hello everyone, it’s been quite a while now since I started working on Lagom(java) and it was only recently when I came across a scenario wherein I was required to override the ErrorHandler provided by Play in my Lagom microservice. As you all already know that Lagom is built on top of Play and Akka, so there will be times when we’ll be required to Continue Reading

Do you know Akka-HTTP Cache?

Today we are to going to talk about a very important aspect of reactive web applications development. It’s not from the alien world, we always talk about it but we rarely want to deal with it. It’s Cache. In today’s mammoth scalable architecture, we are mostly surrounded by big design issues and somewhere here and there we neglect benefits of using a very useful concept Continue Reading

Knolders review of #venkat_50_50_tour at #DelhiJUG17 meetup

Dr. Venkat Subramaniam celebrates his 50th anniversary with distributing his smiles throughout the world’s Java User Groups (JUG) meetups, conferences, and events. Recently, he was in India and Delhi-NCR Java User Group organized one stop meetup for him. Needless to say, core to our culture of knowledge sharing caring,  Knolders were a part of the event. In meetup, Venkat spoke about Designing Functional Programs Java 8 streams and why functional programming is Continue Reading

One-way & two-way streaming in a Lagom application

Now a days streaming word is a buzz word and you should have heard many types of streaming till now i.e. kafka streaming, spark streaming etc etc. But in this blog we will see a new type of streaming i.e Lagom-streaming. Lagom-streaming internally uses Akka streams, with the help of which we will see one way & two way streaming. But before going forward, it Continue Reading

Reactors IO: Actors Done Right

Hi all, Knoldus has organized a 30 min session on 1st  September 2017 at 4:15 PM. The topic was Reactors IO. Many people have joined and enjoyed the session. I am going to share the slides here. Please let me know if you have any question related to linked slides or video. The slides of the KnolX are here:     And Here’s the video of Continue Reading

Reactors.IO: Actors Done Right

In our previous blog, we tried to explore the upcoming version of i.e Java 9. So this time we try to focus on Scala . In This Blog , We will be Looking onto a New Reactive programming framework for Scala Applications i.e Reactors IO . Reactors.io fuses the Best parts of Functional reactive Programming and the Actor Model. Reactors allows you to create concurrent Continue Reading

How data is handled between Components in React (State vs Props)

Prerequisites : Basic understanding of React. Here’s a blog you can refer to : Getting Started with React PROPS Every component in react have a property called props associated to it. This lets you make a single component that is used in many different places in your app, with slightly different properties in each place. If we write a react component in es5, it’s nothing Continue Reading

Forget It! Going Digital & You haven’t heard Reactive?

Today, you talk to any CIO, attend any CDO conference and it would have a track about going Digital. Digital transformation is a sought out area to invest … err … throw money. Without knowing how digital is going to help you and what is the technology stack that can allow you to go truly digital, I do not recommend any CIO/CDO to get into the ring.

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