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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

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781785885136
Length 356 pages
Edition 1st Edition
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Author (1):
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Muhammad Asif Abbasi Muhammad Asif Abbasi
Author Profile Icon Muhammad Asif Abbasi
Muhammad Asif Abbasi
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Table of Contents (12) Chapters Close

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 systems

Until now we have mostly focused on the functional aspects of Spark and hence tried to move away from the discussion of filesystems supported by Spark. You might have seen a couple of examples around HDFS, but the primary focus has been local file systems. However, in production environments, it will be extremely rare that you will be working on a local filesystem and chances are that you will be working with distributed file systems such as HDFS and Amazon S3.

Working with HDFS

Hadoop Distributed File System (HDFS) is a distributed, scalable, and portable filesystem written in Java for the Hadoop framework. HDFS provides the ability to store large amounts of data across commodity hardware and companies are already storing massive amounts of data on HDFS by moving it off their traditional database systems and creating data lakes on Hadoop. Spark allows you to read data from HDFS in a very similar way that you would read from a typical filesystem, with...

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