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Yahoo教程
https://developer.yahoo.com/hadoop/tutorial/index.html

细细品味Hadoop
http://www.cnblogs.com/xia520pi/category/346943.html

HDFS 原理、架构与特性介绍
http://www.open-open.com/lib/view/open1376228205209.html

Hadoop MapReduce开发最佳实践
http://www.infoq.com/cn/articles/MapReduce-Best-Practice-1

MapReduce的Shuffle阶段
http://blog.sina.com.cn/s/blog_605f5b4f010188lp.html

Hadoop的最佳实践和反模式
http://www.oschina.net/translate/apache-hadoop-best-practices-and-anti-patterns

Hadoop读split
http://stackoverflow.com/questions/14291170/how-does-hadoop-process-records-records-split-across-block-boundaries