Overview

Apache Hadoop is a collection of open-source software utilities that facilitates using a network of many computers to solve problems involving massive amounts of data and computation. It provides a software framework for distributed storage and processing of big data using the MapReduce programming model.

Hadoop is a whole eco system and deverse a wiki on its own, but here we will address several components:

HDFS (Hadoop Distributed File system)

HBase (Hadoop NoSQL Database)

Yarn (Resource manager)

You can see the whole eco system below:

Management

Services

Start DFS

Start Yarn

Start HBase

Check Processes

HDFS

Create / List / Delete HDFS Directories