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1、启动过程中出现Configuration has multiple addresses that match local node's address. Please configure the system with dfs.nameservice.id and dfs.ha.namenode 阅读全文
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mapreduce程序处理GBK编码数据并输出GBK编码数据, hadoop涉及输出文本的默认输出编码统一用没有BOM的UTF-8的形式,但是对于中文的输出window系统默认的是GBK,有些格式文件例如CSV格式的文件用excel打开输出编码为没有BOM的UTF-8文件时,输出的结果为乱码,只能由 阅读全文
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https://www.cnblogs.com/godwithus/p/8771105.html https://blog.csdn.net/democreen/article/details/6314745 https://www.cnblogs.com/gudi/p/6870346.html 前 阅读全文
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https://blog.csdn.net/weixin_43691058/article/details/104318062 阅读全文