hadoop安全模式(rm: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot delete /sort. Name )
2014-01-02 12:52
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rm: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot delete /sort. Name node is in safe mode.
这个异常表示hadoop处于安全状态,而你又对它进行了上传,修改,删除文件的操作。
刚启动完hadoop的时候,hadoop会进入安全模式,此时不能对hdfs进行上传,修改,删除文件的操作。
hadoop dfsadmin -safemode get 命令是用来查看当前hadoop安全模式的开关状态
hadoop dfsadmin -safemode enter 命令是打开安全模式
hadoop dfsadmin -safemode leave 命令是离开安全模式
这个异常表示hadoop处于安全状态,而你又对它进行了上传,修改,删除文件的操作。
刚启动完hadoop的时候,hadoop会进入安全模式,此时不能对hdfs进行上传,修改,删除文件的操作。
hadoop dfsadmin -safemode get 命令是用来查看当前hadoop安全模式的开关状态
hadoop dfsadmin -safemode enter 命令是打开安全模式
hadoop dfsadmin -safemode leave 命令是离开安全模式
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