In this blog we are going to go through the entire Hadoop Ecosystem. The Hadoop Ecosystem comprises of many different analytical tools. Big Data in not limited to the use of only a few tools for analysis. Today, we stand in the world where a gigabyte of data is generated every second. Even a click on any social networking site generates data. So to analyze this data increasing in geometric progression many different tools have been developed over the years. Many IT Giants like Yahoo, Facebook, etc and The Apache Software Foundation have developed several analytical tools for Big Data computing. Let us start by discussing several tools present under the Hadoop Ecosystem for data analysis. The Hadoop Ecosystem comprises of the following tools : 1) HDFS - Hadoop Distributed File System 2) YARN - Yet Another Resource Negotiator 3) MapReduce - Big Data Processing Using Programming (like using Java,R etc.) 4) Spark - It is a framework for real time data analytics 5) Apache