Andy, "YARN" is NOT "MRv2". That seems to be a major confusion with people thanks to everyone mixing up the terms. See this small post for a clear difference: http://www.cloudera.com/blog/2012/10/mr2-and-yarn-briefly-explained/
On Fri, Oct 19, 2012 at 3:30 AM, Kartashov, Andy <[email protected]> wrote: > They are not comparable. > > YARN also known as MRv2 is the newer version of MapReduce also known as MRv1. > > > > > -----Original Message----- > From: Tom Brown [mailto:[email protected]] > Sent: Thursday, October 18, 2012 4:33 PM > To: [email protected] > Subject: Differences between YARN and Hadoop > > To all, > > I have a few questions regarding YARN (with respect to Hadoop): > > Are YARN and Hadoop separate, or is YARN the successor to Hadoop? > > What are the major conceptual differences between YARN and Hadoop? > > I have further questions, but they may or may not make sense depending on the > answers to the above. > > Thanks in advance! > > Tom Brown > NOTICE: This e-mail message and any attachments are confidential, subject to > copyright and may be privileged. Any unauthorized use, copying or disclosure > is prohibited. If you are not the intended recipient, please delete and > contact the sender immediately. Please consider the environment before > printing this e-mail. AVIS : le présent courriel et toute pièce jointe qui > l'accompagne sont confidentiels, protégés par le droit d'auteur et peuvent > être couverts par le secret professionnel. Toute utilisation, copie ou > divulgation non autorisée est interdite. Si vous n'êtes pas le destinataire > prévu de ce courriel, supprimez-le et contactez immédiatement l'expéditeur. > Veuillez penser à l'environnement avant d'imprimer le présent courriel -- Harsh J
