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From yinghua hu <yinghua...@gmail.com>
Subject Re: error running pi program
Date Sat, 10 Nov 2012 00:48:27 GMT
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 <Andy.Kartashov@mpac.ca>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
>
>
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-- 
Regards,

Yinghua

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