The classes are org.apache.hadoop.mapreduce.Mapper and org.apache.hadoop.mapreduce.Reducer.
Thanks Amareshwari On 3/31/11 7:13 AM, "Wantao" <[email protected]> wrote: Hi all, I did not find where Mapper and Reducer are set in source code of the Terasort example in Hadoop 0.21.0. So I guess default Mapper and Reducer are used. If so, what are the classes names for them? Thanks for any advice. Wantao
