hadoop之运行官方实例二--WordCount

2020-08-26 10:00:05 浏览数 (1)

1、在hadoop-2.9.2目录下新建一个wcinput:mkdir wcinput

2、在wcinput下新建一个文件:touch wc.input

3、vim wc.input,在wc.input中输入:

hadoop yarn

hadoop mapreduce

gong

gong

4、回到hadoop-2.9.2目录下,输入:hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.9.2.jar wordcount wcinput wcoutput

5、查看结果

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