Hadoop with Python Zachary Radtka & Donald Miner Hadoop with Python Zachary Radtka & Donald Miner Hadoop with Python by Zachary Radtka and Donald Miner Copyright © 2016 O’Reilly Media, Inc.. All rights reserved. Printed in the United States of America. Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472. O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are also available for most titles (http://safaribooksonline.com). For more information, contact our corporate/institutional sales department: 800-998-9938 or corporate@oreilly.com. Editor: Meghan Blanchette Production Editor: Kristen Brown Copyeditor: Sonia Saruba October 2015: Interior Designer: David Futato Cover Designer: Karen Montgomery Illustrator: Rebecca Demarest First Edition Revision History for the First Edition 2015-10-19 First Release See http://oreilly.com/catalog/errata.csp?isbn=9781491942277 for release details. While the publisher and the authors have used good faith efforts to ensure that the information and instructions contained in this work are accurate, the publisher and the authors disclaim all responsibility for errors or omissions, including without limitation responsibility for damages resulting from the use of or reliance on this work. Use of the information and instructions contained in this work is at your own risk. If any code samples or other technology this work contains or describes is sub‐ ject to open source licenses or the intellectual property rights of others, it is your responsibility to ensure that your use thereof complies with such licenses and/or rights. 978-1-491-94227-7 [LSI] Table of Contents Source Code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii 1. Hadoop Distributed File System (HDFS). . . . . . . . . . . . . . . . . . . . . . . . . 1 Overview of HDFS Interacting with HDFS Snakebite Chapter Summary 2 3 7 13 2. M