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linux虛擬機器安裝hadoop叢集(hadoop-2.7.5)

<property> <name>dfs.replication</name> <value>2</value> </property> <property> <name>dfs.namenode.name.dir</name> <value>file:/home/cooljack/hadoop-2.7.5/hdfs/name</value> </property> <property> <name>dfs.datanode.data.dir</name> <value>file:/home/cooljack/hadoop-2.7.5/hdfs/data</value> </property> 9、修改mapred-site.xml