运行hadoop中的实例wordcount及问题

1.准备数据 wc.txt wc2.txt 2.在hdfs中建立/wordcount/input文件夹 hdfs dfs -mkdir -p /wordcount/input 3.上传到hdfs文件系统中 hdfs dfs -put wc.txt wc2.txt /wordcount/input 4.进入apps/hadoop-2.6.4/share/hadoop/mapreduce目录 cd a

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