I don't think can be done in a single map/reduce pass.
Here the author discusses an implementation in PIG:
http://techblug.wordpress.com/2011/08/07/transitive-closure-in-pig/
john
From: parnab kumar [mailto:parnab.2...@gmail.com]
Sent: Thursday, June 13, 2013 10:42 PM
To: user@hadoop.apache.org
Sorry this is the link I meant:
http://hortonworks.com/blog/transitive-closure-in-apache-pig/
john
From: John Lilley [mailto:john.lil...@redpoint.net]
Sent: Sunday, June 16, 2013 1:02 PM
To: user@hadoop.apache.org
Subject: RE: how to design the mapper and reducer for the below problem
I don't
That looks like graph algorithms using MapReduce.
Sorry couldn't give you specific answer!
On 14/06/2013 05:41, parnab kumar wrote:
Consider a following input file of format :
input File :
1 2
2 3
3 4
6 7
7 9
10 11
The output Should be as follows :
1 2 3 4
6 7 9
10 11
Hey Parnab,
Please checkout Giraph (http://giraph.apache.org), which should help
you develop a program to solve this.
On Fri, Jun 14, 2013 at 10:11 AM, parnab kumar parnab.2...@gmail.com wrote:
Consider a following input file of format :
input File :
1 2
2 3
3 4
6 7
7 9
10 11
The
