创建文件夹：hadoop fs -mkdir /BD19 查看文件夹内容： hadoop fs -ls /BD19 上传数据：hadoop fs -put XXX.txt /BD19大数据计算
计算pi 3.141592653……
hadoop jar /export/servers/hadoop-2.6.0-cdh5.14.0/share/hadoop/mapreduce/
hadoop-mapreduce-examples-2.6.0-cdh5.14.0.jar pi 10 100
创建文件夹：hadoop fs -mkdir /BD19 查看文件夹内容： hadoop fs -ls /BD19 上传数据：hadoop fs -put XXX.txt /BD19大数据计算
计算pi 3.141592653……
hadoop jar /export/servers/hadoop-2.6.0-cdh5.14.0/share/hadoop/mapreduce/
hadoop-mapreduce-examples-2.6.0-cdh5.14.0.jar pi 10 100
名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
