Need idea for mapreduce

2014-01-05 Thread unmesha sreeveni
Given a csv file with numeric data.
Need to find maximum element of each column.
What will the map and reduce.

a Guess:  pass each column to map()
   Find max in Reduce()

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*Thanks  Regards*

Unmesha Sreeveni U.B
Junior Developer

http://www.unmeshasreeveni.blogspot.in/


Re: Need idea for mapreduce

2014-01-05 Thread Harsh J
You seem to have it right - why not give it a try before asking? :)

On Mon, Jan 6, 2014 at 10:42 AM, unmesha sreeveni unmeshab...@gmail.com wrote:
 Given a csv file with numeric data.
 Need to find maximum element of each column.
 What will the map and reduce.

 a Guess:  pass each column to map()
Find max in Reduce()

 --
 Thanks  Regards

 Unmesha Sreeveni U.B
 Junior Developer

 http://www.unmeshasreeveni.blogspot.in/





-- 
Harsh J