mapreduce examplehttp://www.yun5u.com/articles/articleshadoop-mapreduce-sql-multi-max-min.html
mapreduce example
http://www.yun5u.com/articles/articleshadoop-mapreduce-sql-multi-max-min.html
mapreduce example
http://www.yun5u.com/articles/articleshadoop-mapreduce-sql-multi-max-min.html