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MapReduce >> mail # user >> error running pi program


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RE: error running pi program
Good to know it works as I well. Thanks for sharing.
From: yinghua hu [mailto:[EMAIL PROTECTED]]
Sent: Friday, November 09, 2012 7:48 PM
To: [EMAIL PROTECTED]
Subject: Re: error running pi program

Hi, Ted and Andy

I tried both internal and external hostnames. They both worked. But I will elect external host name since this way I can browsing the hdfs file structure and other information from a computer not in the cluster.

Thanks!
On Fri, Nov 9, 2012 at 1:03 PM, Kartashov, Andy <[EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]>> wrote:
Hello Ted,

Thanks yours below. I do run hadoop on EC2 as well. And I use internal host-addresses ($hostname -f) for configuration of core-site/hdfs-site/slaves/master files.

The only time I switch to external address i.e. ec2-......  is when I want to access my nodes vie the web,i.e. external address  - ec2......:50070 or ec2......:50030

Rgds,
AK47
yinghua,

One other thing to note here is that on EC2 computer are given two hostnames, one internal and one external, you need to use the external.  These host names are listed in the ec2 configuration pane on the AWS management console.
Ted Reynolds
Technical Support Engineer
Hortonworks
Work Phone: 408-645-7079<tel:408-645-7079>

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Regards,

Yinghua
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
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB