You can perhaps start with a generic 4+4 configuration (which matches your cores), and tune your way upwards or downwards from there based on your results.
On Thu, Jul 31, 2014 at 8:35 PM, Sindhu Hosamane <[email protected]> wrote: > Hello friends , > > If i am running my experiment on a server with 2 processors (4 cores each ) . > To say it has 2 processors and 8 cores . > What would be the ideal values for mapred.tasktracker.map.tasks.maximum and > mapred.tasktracker.reduce.tasks.maximum to get maximum performance. > I am running cascalog queries on data of size 280 MB. > I have multiple datanodes running on same machine. > > Your help is very much appreciated. > > > Regards, > sindhu > -- Harsh J
