One of my previous posts about back pressure mentions a concept of an Observable without providing many details. This post is a deeper dive into how the Observer pattern is applied in the world of reactive programming. Observer Pattern: Pros and Cons First off, let’s have a look at the Observer Read more…
Counting words in large files is a “hello world” in the big data space. I wanted to share thoughts on sustainable processing of large files using Reactive Streams approach, namely with RxJava. This post outlines how to read and process contents of a large text file without overwhelming the system Read more…
In this post I look into practical applications of a back pressure when building data intensive pipelines with RxJava. I explain what a hot source is and how to handle large data streams without overwhelming the system. As usual there are trade-offs to consider. Please read on if that sounds Read more…
As a follow-up on my previous post about changes to Oracle Java, I am providing a quick comparison of OpenJDK providers. The goal is to give you a rough idea of what to expect in terms of alternatives to Oracle JDK: LTS, pricing, features etc. The list is likely incomplete Read more…
A lot has recently changed in the Java landscape. While Java 9 warrants design considerations many legacy apps will stumble upon, its adoption is an essential step to make. Mind you, both Java 9 and 10 are only short-term releases. Java 11 starts a new era of a much shorter Read more…
Here is how to setup a JEE dev box with VirtualBox and Vagrant.