Big Data

Hive Commands

In this lesson on Apache Hive commands, we will go through the most common commands in Hive in HQL and perform most basic operations like creating tables, altering their schema and much more. In this….

Installing Apache Hive on Ubuntu and Running HQL Queries

In this lesson, we will see how we can get started with Apache Hive by installing it on our Ubuntu machine and verifying the installation by running some Hive DDL Commands as well. Installing and….

Install Hadoop on Ubuntu

In this lesson, we will see how we can get started with Apache Hadoop by installing it on our Ubuntu machine. Installing and running Apache Hadoop can be tricky and that’s why we’ll try to….

Apache Spark Example: Word Count Program in Java

Apache Spark Apache Spark is an open source data processing framework which can perform analytic operations on Big Data in a distributed environment. It was an academic project in UC Berkley and was initially started….

Apache Spark

Whenever we study about any tool which handles data, we must study how much volume of data can it process and why was the tool actually came into use. The reasons behind the development of….

Differences between Hadoop 1.x and Hadoop 2.x, Hadoop 1.x Limitations and Hadoop 2.x YARN Benefits

Before reading this post, please go through my previous posts to get some Basic knowledge about BigData Hadoop 1.x and 2.x. BigData Hadoop 1.x Architecture and Components BigData Hadoop 2.x Architecture and Components In this….

Hadoop 1.x and 2.x HDFS Basic Developer Commands, “hadoop” command

In this post, we are going to discuss about Hadoop 1.x and Hadoop 2.x HDFS Basic commands with simple, suitable and real-time examples. These are useful for BigData Hadoop Developers. We will discuss Hadoop HDFS….

Hadoop 2.x MapReduce (MR V1) WordCounting Example

Before reading this post, please go through my previous post at “How MapReduce Algorithm Works” to get some idea about MapReduce Algorithm. My previous post has already explained about “How MapReduce performs WordCounting” in theoretically…..

MapReduce Algorithm Example

Welcome to MapReduce algorithm example. Before writing MapReduce programs in CloudEra Environment, first we will discuss how MapReduce algorithm works in theory with some simple MapReduce example in this post. In my next posts, we….

CloudEra Hadoop VMWare Single Node Environment Setup

So far we have discussed about Hadoop Architecture and How Hadoop Components works. In this post, we will setup “CloudEra Hadoop VMWare With Single Node Environment” to start Hadoop MapReduce and YARN Development. To setup….

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