Chapter 10. Projects Based On Hadoop and Future Directions

People use Hadoop to solve many types of problems, and a number of teams have built packages on top of Hadoop Core to address an even larger scope of problems. This chapter will walk through some of the many tools being built on top of Hadoop and one tool that can be built into Hadoop. Hadoop Core is an evolving project: over the time of writing this edition of the book, Hadoop 0.19.0 and Hadoop 0.19.1 came out, and Hadoop 0.20.0 became available in May 2009. (You'll see a section on changes later in this chapter.)

Hadoop Core–Related Projects

The main web site for Hadoop Core,, provides a list of related projects and subprojects: HBase, Hive, Pig, Mahout, and ...

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