Re: Need idea for mapreduce
Sure i will try and see Harsh :) On Mon, Jan 6, 2014 at 12:40 PM, Harsh J wrote: > 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 > 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 > -- *Thanks & Regards* Unmesha Sreeveni U.B Junior Developer http://www.unmeshasreeveni.blogspot.in/
Re: Need idea for mapreduce
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 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
Need idea for mapreduce
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/