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今日深度:

hadoop,

hadoop,


hadoop jar /opt/java/hadoop/hadoop-2.6.0/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.6.0.jar wordcount /files/a*  /output/workcount
hadoop fs -cat 
hadoop fs -ls
hadoop fs -rm
hadoop fs -put
hadoop fs -mkdir      
ERROR namenode.NameNode: java.io.IOException: Cannot create directory /export/home/dfs/name/current
ERROR namenode.NameNode: java.io.IOException: Cannot remove current directory: /usr/local/hadoop/hdfsconf/name/current

这个错的是因为我的权限不够,困扰了我几天
sudo chmod -R a+w hadoop 目录

www.htsjk.Com true http://www.htsjk.com/Hadoop/24763.html NewsArticle hadoop, hadoop jar /opt/java/hadoop/hadoop - 2.6 .0 /share/hadoop/mapreduce/hadoop -mapreduce -examples - 2.6 .0 . jar wordcount /files/a * /output/workcounthadoop fs -cat hadoop fs -ls hadoop fs -rm hadoop fs -put hadoop fs -mkdir ERROR...
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