Steven Hafran 2011-08-17, 07:36
-Re: Hadoop Streaming 0.20.2 and how to specify number of reducers per node -- is it possible?
Allen Wittenauer 2011-08-22, 04:18
On Aug 17, 2011, at 12:36 AM, Steven Hafran wrote:
> after reviewing the hadoop docs, i've tried setting the following properties
> when starting my streaming job; however, they don't seem to have any impact.
> -jobconf mapred.tasktracker.reduce.tasks.maximum=1
"tasktracker" is the hint: that's a server side setting.
You're looking for the mapred.reduce.tasks settings.