Hadoop is an open source framework, distributed, scalable, batch processing and fault-tolerance system that can store and process the huge amount of data (Bigdata). Hadoop efficiently stores large volumes of data on a cluster of commodity hardware. Hadoop not only a storage system but also platform for processing large data along with storage. Hadoop supports the coding in programming languages like Java, C, C++, Perl, Python, ruby etc.

In this tutorial, all the topics are covered with in-depth information and can understandable by anyone. Readers can be anyone who has a basic knowledge on java language.

The tutorial is intended for the Hadoop developers who are having minimum Hadoop and java knowledge. And can also understood by readers who are having no Hadoop knowledge, But takes a little bit time to understand.

Readers who are having Java knowledge in addition to computation background can understand the concepts a bit easily. Reader without having Java knowledge may need to go through the topic more than once to understand clearly.