運行hadoop中的實例wordcount及問題

1.準備數據 wc.txt wc2.txt 2.在hdfs中建立/wordcount/input文件夾 hdfs dfs -mkdir -p /wordcount/input 3.上傳到hdfs文件系統中 hdfs dfs -put wc.txt wc2.txt /wordcount/input 4.進入apps/hadoop-2.6.4/share/hadoop/mapreduce目錄 cd a

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