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From Rita <rmorgan...@gmail.com>
Subject Re: Sizing help
Date Mon, 07 Nov 2011 10:58:12 GMT
For a 1PB installation you would need close to 170 servers with 12 TB disk
pack installed on them (with replication factor of 2). Thats a conservative
estimate

CPUs: 4 cores with 16gb of memory


Namenode: 4 core with 32gb of memory should be ok.



On Fri, Oct 21, 2011 at 5:40 PM, Steve Ed <sedison70@gmail.com> wrote:

>  I am a newbie to Hadoop and trying to understand how to Size a Hadoop
> cluster.   ****
>
> ** **
>
> What are factors I should consider deciding the number of datanodes ?****
>
> Datanode configuration ?  CPU, Memory****
>
> Amount of memory required for namenode ? ****
>
> ** **
>
> My client is looking at 1 PB of  usable data and will be running analytics
> on TB size files using mapreduce.****
>
> ** **
>
> ** **
>
> Thanks****
>
> ….. Steve****
>
> ** **
>



-- 
--- Get your facts first, then you can distort them as you please.--

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