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You're reading from Apache Spark 2.x for Java Developers

Product typeBook

Published inJul 2017

Reading LevelIntermediate

PublisherPackt

ISBN-139781787126497

Edition1st Edition

Languages

Java

Tools

Apache Spark

Concepts

Data Streaming

Authors (2):

Sourav Gulati

Sumit Kumar

View More author details

Hello Spark

In this section, we will create an Hello World program for Spark and will then get some understanding of the internals of Spark. The Hello World program in the big data world is also known as a Word Count program. Given the text data as input, we will calculate the frequency of each word or number of occurrences of each word in the text data, that is, how many times each word has appeared in the text. Consider that we have the following text data:

Where there is a will there is a way

The number of occurrences of each word in this data is:

Word	Frequency
Where	1
There	2
Is	2
A	2
Will	1
Way	1

Now we will solve this problem with Spark. So let's develop a Spark WordCount application.

Prerequisites

The following are the prerequisites for preparing the Spark application:

IDE for Java applications: We will be using the Eclipse IDE to develop the Spark application. Users can use any IDE as per their choice. Also, the IDE should have the Maven plugin installed (the latest version of Eclipse such as Mars...

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Apache Spark 2.x for Java Developers

Published in: Jul 2017Publisher: PacktISBN-13: 9781787126497

Authors (2)

Sourav Gulati

Sourav Gulati is associated with software industry for more than 7 years. He started his career with Unix/Linux and Java and then moved towards big data and NoSQL World. He has worked on various big data projects. He has recently started a technical blog called Technical Learning as well. Apart from IT world, he loves to read about mythology.
Read more about Sourav Gulati

Sumit Kumar

Sumit Kumar is a developer with industry insights in telecom and banking. At different junctures, he has worked as a Java and SQL developer, but it is shell scripting that he finds both challenging and satisfying at the same time. Currently, he delivers big data projects focused on batch/near-real-time analytics and the distributed indexed querying system. Besides IT, he takes a keen interest in human and ecological issues.
Read more about Sumit Kumar

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You're reading from Apache Spark 2.x for Java Developers

Hello Spark

Prerequisites

Unlock this book and the full library FREE for 7 days

Authors (2)

Apache Spark Quick Start Guide

Learning Apache Spark 2

Learning Java Lambdas

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