Why not just materialise the mapper information into the values that are emitted?
No need to rewrite Hadoop - just change the application code. On 13 March 2013 08:31, preethi ganeshan <[email protected]>wrote: > Hi, > I have to modify the Task.java class and the MapTask.java class to keep > track of the mappers that feed a reducer .How do i go about doing this ? > > Regards, > Preethi >
