Codes Fusion

It's critical to understand the core components in Hadoop YARN (Yet Another Resource Negotiator) or MapReduce 2.0, and how the component...

In this tutorial I will show some common commands for HDFS operations. If you don't have Hadoop setup in your linux, you can follow Had...

In this tutorial I am going to guide you through setting up hadoop 2.2.0 environment on Ubuntu. Prerequistive $ sudo apt-get install op...

There are so many version of WordCount hadoop example flowing around the web. However, a lot of them are using the older version of hadoop a...

Java NIO (New IO) was introduced in JDK 1.4. While Java IO centralizes around Stream/Reader/Writer and uses decorator pattern as its main de...

Spring uses Jackson JSON from http://jackson.codehaus.org/ to serialize an object for json output. To change the default strategy to seriali...

Since HTTP stateless, in a web application, a typical way to keep an user states across multiple requests is through HttpSession. However, d...