See an example here: http://www.crobak.org/2011/12/getting-started-with-apache-hadoop-0-23-0/
For the 'pi' program. Basically you will specify it through the command line interface. On Wed, Sep 25, 2013 at 6:17 PM, xeon <[email protected]> wrote: > In yarn 2.0.5, where I set this? > > On 09/25/2013 11:16 PM, Shahab Yunus wrote: > > Have you tried setting *mapred.reduce.tasks *property? > > Regards, > Shahab > > > On Wed, Sep 25, 2013 at 6:01 PM, xeon <[email protected]> wrote: > >> is it possible to set the number of reduce tasks in the wordcount example >> when I launch the job by command line? >> >> Thanks >> > > >
