hadoop-grep案例 

//HADOOP_HOME目录中
mkdir input
cp etc/hadoop/*.xml input
bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-3.2.1.jar grep input output 'dfs[a-z.]+'
cat output/*

 

posted @ 2020-06-22 01:59  阿布都日  阅读(218)  评论(0)    收藏  举报