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From Sindhu Hosamane <sindh...@gmail.com>
Subject Ideal number of mappers and reducers to increase performance
Date Thu, 31 Jul 2014 15:05:00 GMT
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.


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