change following parameter mapred.reduce.max.attempts 4 mapred.reduce.tasks 1To mapred.reduce.max.attempts 2 mapred.reduce.tasks 2 In your program source code!
On Tue, May 19, 2009 at 9:14 AM, Foss User <foss...@gmail.com> wrote: > On Tue, May 19, 2009 at 5:32 PM, Piotr Praczyk <piotr.prac...@gmail.com> > wrote: > > Hi > > > > Your job configuration file specifies exactly the numbers of mappers and > > reducers that are running in your system. The job configuration overrides > > site configuration ( if parameters are not specified as final ) as far as > I > > know. > > > > > > Piotr > > So, how do I control the job configuration. I thought specifying the > number of mappers and reducers in the hadoop-site.xml is enough. > Please tell me which file I should edit to control the job > configuration. > -- Chen He RCF CSE Dept. University of Nebraska-Lincoln US
