Hadoop完全手册原版书籍，有很多关于Hadoop设计和用例的东东哦!-Hadoop completely manual original books, there are many designs and use cases on Hadoop stuff Oh!

Hadoop 是Google MapReduce 的 一个Java实现。 MapReduce是一种简化的分布式编程模式， 让程序自动分布到一个由普通机器组成的超大集群上并发执行。-Google MapReduce Hadoop is a Java implementation. MapReduce is a simplified distributed programming model that allows the program to automatically distributed