Hadoop介绍及实战
写的非常清析
http://wenku.baidu.com/link?url=S2t-U8xatazKQv8oOaZ6KOcpGYfc5VDRO9cdVtkdb-LFdFZPYmSRrSZUKSd8GXXftvi_M-xnbpplzibSy9OIAPOt7qQxzlb5nbQ0jgtC5_7&pn=51
http://wenku.baidu.com/view/53db8c19cc7931b765ce15af.html?re=view
http://subject.csdn.net/hadoop/
http://baiyunl.iteye.com/