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Apache Spark 2.x for Java Developers

You're reading from Apache Spark 2.x for Java Developers Explore big data at scale using Apache Spark 2.x Java APIs

Product type Paperback

Published in Jul 2017

Publisher Packt

ISBN-13 9781787126497

Length 350 pages

Edition 1st Edition

Languages

Java

Tools

Apache Spark

Concepts

Big Data

Authors (2):

Sourav Gulati

Sumit Kumar

View More author details

Table of Contents (12) Chapters

Preface

1. Introduction to Spark FREE CHAPTER

2. Revisiting Java

3. Let Us Spark

4. Understanding the Spark Programming Model

5. Working with Data and Storage

6. Spark on Cluster

7. Spark Programming Model - Advanced

8. Working with Spark SQL

9. Near Real-Time Processing with Spark Streaming

10. Machine Learning Analytics with Spark MLlib

11. Learning Spark GraphX

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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Authors (2)

Gulati

Gulati

Shekhar Gulati is a developer and OpenShift evangelist working with Red Hat. He has been evangelizing about OpenShift for the last 2 years. He regularly speaks at various conferences and user groups around the world to spread the goodness of OpenShift. He regularly blogs on the OpenShift official blog and has written more than 50 blogs on OpenShift. Shekhar has also written many technical articles for IBM developerWorks, Developer.com, and Javalobby.

See other products by Gulati

Kumar

Kumar

Ashish Kumar is a seasoned data science professional, a publisher author and a thought leader in the field of data science and machine learning. An IIT Madras graduate and a Young India Fellow, he has around 7 years of experience in implementing and deploying data science and machine learning solutions for challenging industry problems in both hands-on and leadership roles. Natural Language Procession, IoT Analytics, R Shiny product development, Ensemble ML methods etc. are his core areas of expertise. He is fluent in Python and R and teaches a popular ML course at Simplilearn. When not crunching data, Ashish sneaks off to the next hip beach around and enjoys the company of his Kindle. He also trains and mentors data science aspirants and fledgling start-ups.

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