-Re: what all can be done using MR
unmesha sreeveni 2014-01-11, 15:10
What about sorting .
Acutually it is done by MapReduce itself.
But if we are giving a csv file as input and trying to sort one/multiple
column...Whether the corresponting columns also get reflectted??
When we apply sorting to first column:whether the resultent will be
A will be mapped to its correct values right?
If so what will be context.write() of mapper?
On Wed, Jan 8, 2014 at 8:18 PM, Chris Mawata <[EMAIL PROTECTED]> wrote:
> Check out, for example,
> On 1/8/2014 2:41 AM, unmesha sreeveni wrote:
> Can we do aggregation with in Hadoop MR
> like find min,max,sum,avg of a column in a csv file.
> *Thanks & Regards*
> Unmesha Sreeveni U.B
> Junior Developer
*Thanks & Regards*
Unmesha Sreeveni U.B