Hadoop: The Definitive Guide Tom White foreword by Doug Cutting Beijing • Cambridge • Farnham • Köln • 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