文档介绍：Hadoop: The Definitive Guide Tom White foreword by Doug Cutting Beijing ? Cambridge ? Farnham ? K?ln ? Sebastopol ? Taipei ? Tokyo Hadoop: The Definitive Guide by Tom White Copyright ? 2009 Tom White. 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://my.). For more information, contact our corporate/institutional sales department: (800) 998-9938 or ******@. Editor: Mike Loukides Production Editor: Loranah Dimant Proofreader: Nancy Kotary Indexer: Ellen Troutman Zaig Cover Designer: Karen Montgomery Interior Designer: David Futato Illustrator: Robert Romano Printing History: June 2009: First Edition. Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc. Hadoop: The Definitive Guide, the image of an African elephant, and related trade dress are trademarks of O’Reilly Media, Inc. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc. was aware of a trademark claim, the designations have been printed in caps or initial caps. While every precaution has been taken in the preparation of this book, the publisher and author assume no responsibility for errors or omissions, or for damages resulting from the use of the information con- tained herein. This book uses RepKover?, a durable and flexible lay-flat binding. ISBN: 978-0-596-52197-4 [M] 1243455573 For Eliane, Emilia, and Lottie Table of Contents Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii Preface . . . . . . . . . . . . . . . . . .