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解决方案：
hadoop@ubuntu118:~/hadoop-1.0.2$ bin/hadoop dfsadmin -safemode leave
hadoop@ubuntu118:~/hadoop-1.0.2$ bin/hadoop dfs -chmod -R 777 /tmp
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解决方案：
hadoop@ubuntu118:~/hadoop-1.0.2$ bin/hadoop dfsadmin -safemode leave
hadoop@ubuntu118:~/hadoop-1.0.2$ bin/hadoop dfs -chmod -R 777 /tmp
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Hadoop原本来自于谷歌一款名为MapReduce的编程模型包。谷歌的MapReduce框架可以把一个...