http://www.cloudera.com/content/cloudera-content/cloudera-docs/CDH4/latest/CDH4-Quick-Start/cdh4qs_topic_3_3.html
http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/YARN.html
http://www.ibm.com/developerworks/cn/opensource/os-cn-hadoop-yarn/
新旧 Hadoop 脚本 / 变量 / 位置变化表
when use yarn：
key:yarn.application.classpath
value:/etc/hadoop/conf,/usr/lib/hadoop/*,/usr/lib/hadoop/lib/*,/usr/lib/hadoop-hdfs/*,/usr/lib/hadoop-hdfs/lib/*,/usr/lib/hadoop-yarn/*,/usr/lib/hadoop-yarn/lib/*,/usr/lib/hadoop-mapreduce/*,/usr/lib/hadoop-mapreduce/lib/*
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Apache Hadoop NextGen MapReduce (YARN)
MapReduce has undergone a complete overhaul in hadoop-0.23 and we now have, what we call, MapReduce 2.0 (MRv2) or YARN.
http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/YARN.html
http://www.ibm.com/developerworks/cn/opensource/os-cn-hadoop-yarn/
新旧 Hadoop 脚本 / 变量 / 位置变化表
when use yarn：
key:yarn.application.classpath
value:/etc/hadoop/conf,/usr/lib/hadoop/*,/usr/lib/hadoop/lib/*,/usr/lib/hadoop-hdfs/*,/usr/lib/hadoop-hdfs/lib/*,/usr/lib/hadoop-yarn/*,/usr/lib/hadoop-yarn/lib/*,/usr/lib/hadoop-mapreduce/*,/usr/lib/hadoop-mapreduce/lib/*
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