Tool & ToolRunner – Simplifying the concept

Writing a mapper & reducer Program definition is easy. Just extend your class by org.apache.hadoop.mapreduce.Mapper and org.apache.hadoop.mapreduce.Reducer respectively and override the map and reduce methods to implement your logics. But, when it comes to write driver program (contain main method of program) for the MapReduce Job, it’s always preferable to use ToolRunner class & Tool… Read More Tool & ToolRunner – Simplifying the concept