A great overview of MR2, you can find it in the Cloudera´s blog:
2013/4/22 Brian C. Huffman <[EMAIL PROTECTED]>
> I'm working on writing code for my application to be able to communicate
> between containers. I want to be sure that I don't trample on the ports
> that YARN is using (for either the nodemanager or the containtermanager).
> I've looked but can't seem to find what range is being used. Can someone
> point me in the right direction?
Marcos Ortiz Valmaseda,
*Data-Driven Product Manager* at PDVSA
*Twitter*: @marcosluis2186 <http://twitter.com/marcosluis2186>