Hello Preethi, You can do it through the shell at the time of job submission. -D mapred.reduce.tasks=desired_no_reduce_tasks.
Alternatively, you can do that through the mapred-site.xml. Warm Regards, Tariq https://mtariq.jux.com/ cloudfront.blogspot.com On Tue, Mar 12, 2013 at 4:10 PM, preethi ganeshan < [email protected]> wrote: > Hi, > > Is there a way to change the number of reduce tasks? Without using Job > object to call the set function.Since it does not work. I need to keep > track of the number of mappers per reducer for experimentation purposes. So > how do i go about it ? > > Thank you in advance > Regards, > Preethi >
