Learning Spark
Introducing Spark At the high level, Spark is a distributed programming model that allows you to distribute tasks into different worker nodes from a cluster....
Design
DevOps – Setup Spark Cluster
Provision 4 boxes There are few options to achieve that: Use Docker to simulate it – for testing, I like this option better! Use AWS...
What matters the most in Java 8 – Part 3 – CompletableFuture
From Future to CompletableFuture Threads are the basic unit for doing work in the JVM Creating threads is expensive, so a long time ago, thread...
Asynchronous programming – Part 1 – Promise
Introduction For asynchronous programming, there are few options there. Few years back, callback was a common way for developers to handle asynchronous call. However, it...
What matters the most in Java 8 – Part 2 – Stream
Stream A java.util.Stream represents a sequence of elements on which one or more operations can be performed. Stream operations are either intermediate or terminal. While...
What is Reactive System?
Reactive Manifesto System architects have recently faced myriad of challenges that demand them to build a scalable system that can be deployed everywhere with millisecond...
Data Structure Review – Heap
What is Heap Heap is a binary balanced tree that you fill the node from top to bottom and from left to right. There are...
REST API Design In Practice
It is important to get your REST design right as it is the API you expose to the public. To get it right, you need...
Design Pattern In Practice – Builder Pattern
Builder is like a factory method that is in class scope and to prepare you the instance of the class. The difference is all about...
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