What are some of the cool things in the 2.0 release of Hadoop? To start, how about a revamped MapReduce? And what would you think of a high availability (HA) implementation of the Hadoop Distributed ...

Hadoop Common： 在0.20及以前的版本中，包含HDFS、MapReduce和其他项目公共内容，从0.21开始HDFS和MapReduce被分离为独立的子项目，其余内容为Hadoop Common HDFS： Hadoop 分布式文件系统 (Distributed File System) － HDFS (Hadoop Distributed File System) ...

Hadoop has been known as MapReduce running on HDFS, but with YARN, Hadoop 2.0 broadens pool of potential applications Hadoop has always been a catch-all for disparate open source initiatives that ...