Architecture

Kafka: Consumer – Push vs Pull approach

Reading Time: 2 minutes Have you ever thought about the Push vs Pull approach for the system, which one suits or solves which problem? Another Question why did Kafka choose Pull over Push design for Consumers? Before talking about the Kafka approach, whether the Broker should push the data to consumer or consumer should pull from Kafka? Let’s first understand both of the approaches, as each one has its Continue Reading

Platform and Pipes, you need a Reactive API

Reading Time: 3 minutes Today every company is a tech company. This is a prediction which has come from many stalwarts in the software industry who believe that the organisations who do not invest in technology any more are going to bleed and die. Let us see how we got here though. Historically, all organisations followed the Pipe mentality. Firms create stuff, push them out and sell them to Continue Reading

DC/OS: The Architecture #2

Reading Time: 5 minutes In my previous post, we have gone through the type of nodes, tasks and the distributed process management. Now we’re going under the hood to explore the components which make DC/OS what it is. You’ll find the basic working of each component here. Let me show you around… Introduction First, let’s check out the map we’re going to follow in order to get where we Continue Reading

“Why do you always choose Microservices over me?” said the Monolithic architecture

Reading Time: 7 minutes Ever wondered why do companies like Apple, eBay and Netflix care so much about microservices? What makes this simple architecture so special that it is being hyped so much? Is it worth the pain and efforts to shift an entire running application from monolithic to microservices architecture? Many such questions came to our minds when we started using the microservices in our projects. In this Continue Reading

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

Reading Time: 4 minutes 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.

Cassandra Data Modeling – Primary , Clustering , Partition , Compound Keys

Reading Time: 5 minutes In this post we are going to discuss more about different keys available in Cassandra . Primary key concept in Cassandra is different from Relational databases. Therefore it is worth spending time to understand this concept. Lets take an example and create a student table which had a student_id as a primary key column. 1) primary key  create table person (student_id int primary key, fname Continue Reading

Scala-IOT : What is Mqtt ? How it is lightweight ?

Reading Time: 4 minutes We have already stepped in the world of IOT ! And if you do find it fascinating then stay tuned to this series , or you can signup for our newsletter so you can directly get a message in your inbox whenever it is published ! So we established our basic understanding in our last blog post of what is IOT and how it is Continue Reading

RDF – Basic Building Blocks of Semantic Web

Reading Time: 4 minutes In the first post, we talked about the general description of Semantic Web and how it can be useful. In this post, we would try to look at RDF which is the basic building block. RDF is Resource Description Framework which was defined as standard for encoding metadata by W3C in 1999. The idea for this standard is to make metadata readable by machines. The Continue Reading

Semantic Web – The lure to a better world

Reading Time: 6 minutes The story of the Semantic Web is not new, however, it is interesting how some things become more and more important with the passage of time. The term was coined by Sir Tim Berners-Lee in May 2001 however, it took us around 14 years to get to the details of it when we were approached by a large publishing house to help them build a Continue Reading

Apache Spark Cluster Internals: How spark jobs will be computed by the spark cluster

Reading Time: 2 minutes In this blog we are explain how the spark cluster compute the jobs. Spark jobs are collection of stages and stages are collection of tasks. So before the deep dive first we see the spark cluster architecture. In the above cluster we can see the driver program it is a main program of our spark program, driver program is running on the master node of Continue Reading

Play 2.4.X : Microservice Architecture using Play and Scala

Reading Time: 1 minute Playing-Microservices This blog describes a basic Microservice architecture design using Play 2.4.X and Scala. The big idea behind microservices is to architect large, complex and long-lived applications as a set of cohesive services that evolve over time. The term microservices strongly suggests that the services should be small. In short, the microservice architectural style is an approach to developing a single application as a suite Continue Reading

Conditional logging with Logback in Scala

Reading Time: 1 minute Hello Folks In my project , i got a scenario where I wanted conditional logging. I was using Logback framework for the same. I wanted to set different logging level for staging and production. Either i could do manually changes in logback.xml for logging level for staging and production both. But this is not the good practice. Then I found the solution of implementing the Continue Reading

Scala in Business | Knoldus Newsletter – March 2015

Reading Time: 2 minutes Hello Folks We are back again with March 2015, Newsletter. Here is this Scala in Business | Knoldus Newsletter – March 2015 In this newsletter, you will get the business related news for Scala. How organisation are adopting Scala for their business, how Scala related technologies increasing the performance of application and how Scala is getting popular in the industry So, if you haven’t subscribed to Continue Reading

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