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Learning Apache Spark 2

You're reading from Learning Apache Spark 2 A beginner's guide to real-time Big Data processing using the Apache Spark framework

Product type Paperback

Published in Mar 2017

Publisher Packt

ISBN-13 9781785885136

Length 356 pages

Edition 1st Edition

Languages

Python

Tools

Apache Spark

Concepts

Big Data

Author (1):

Muhammad Asif Abbasi

View More author details

Table of Contents (12) Chapters

Preface

1. Architecture and Installation FREE CHAPTER

2. Transformations and Actions with Spark RDDs

3. ETL with Spark

4. Spark SQL

5. Spark Streaming

6. Machine Learning with Spark

7. GraphX

8. Operating in Clustered Mode

9. Building a Recommendation System

10. Customer Churn Prediction

Theres More with Spark

Commonly Supported File Formats

We've already seen the ease with which you can manipulate text files using Spark with the textFile() method on SparkContext. However, you'll be pleased to know that Apache Spark supports a large number of other formats, which are increasing with every release of Spark. With Apache Spark release 2.0, the following file formats are supported out of the box:

TextFiles (already covered)
JSON files
CSV Files
Sequence Files
Object Files

Text Files

We've already seen various examples in Chapter 1, Architecture and Installation and Chapter 2, Transformations and Actions with Spark RDDs on how to read text files using the textFile() function. Each line in the text file is assumed to be a new record. We've also seen examples of wholeTextFiles(), which return a PairRDD, with the key being the identifier of the file. This is very useful in ETL jobs, where you might want to process data differently based on the key, or even pass that on...

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Authors (1)

Abbasi

Abbasi

Muhammad Asif Abbasi has worked in the industry for over 15 years in a variety of roles from engineering solutions to selling solutions and everything in between. Asif is currently working with SAS a market leader in Analytic Solutions as a Principal Business Solutions Manager for the Global Technologies Practice. Based in London, Asif has vast experience in consulting for major organizations and industries across the globe, and running proof-of-concepts across various industries including but not limited to telecommunications, manufacturing, retail, finance, services, utilities and government. Asif is an Oracle Certified Java EE 5 Enterprise architect, Teradata Certified Master, PMP, Hortonworks Hadoop Certified developer, and administrator. Asif also holds a Master's degree in Computer Science and Business Administration.

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