Even JT accepts exclude/include hosts files for the slaves. If they aren't populated, JT by default accepts TTs that successfully register with it at runtime.
Thanks, +Vinod On Oct 22, 2012, at 7:55 AM, Kartashov, Andy wrote: > Gentlemen, > > Can you please explain which property is responsible to tell JobTracker where > TaskTruckers are running? > > I get this far so far: > > NN knows where SNN runs by specifying FQDN in the conf/masters of the NN > NN knows where DN runs by specifying FQDNs of the DNs in the conf/slaves of > the NN > SNN knows the host:port of the NN using hdfs-core.xml > DNs know wherethehost:port of the NN using hdfs-core.xml > > TTs know where the JT is using mapred-site.xml > > But how does JT knows where the TTs are? > > Please help. > > Thanks, > Andy > 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
