You can create different mapper and reducer classes and create separate job configs for them. You can pass these different configs to the Tool object in the same parent class... But they will essentially be different jobs being called together from inside the same java parent class.
Why do you say it costs a lot? Whats the issue?? Amandeep Khurana Computer Science Graduate Student University of California, Santa Cruz On Fri, Sep 4, 2009 at 11:36 AM, Boyu Zhang <[email protected]> wrote: > Dear All, > > I am using Hadoop 0.20.0. I have an application that needs to run > map-reduce > functions iteratively. Right now, the way I am doing this is new a Job for > each pass of the map-reduce. That seems cost a lot. Is there any way to run > map-reduce functions iteratively in one Job? > > Thanks a lot for your time! > > Boyu Zhang(Emma) >
