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From Colin Blower <cblo...@barracuda.com>
Subject Re: Any experience of 20 node mini-itx cassandra cluster
Date Fri, 12 Apr 2013 15:48:26 GMT
If you have not seen it already, checkout the Netflix blog post on their
performance testing of AWS SSD instances.

http://techblog.netflix.com/2012/07/benchmarking-high-performance-io-with.html

My guess, based on very little experience, is that you will be CPU bound.

On 04/12/2013 03:05 AM, Jabbar Azam wrote:
> Hello,
>
> I'm going to be building a 20 node cassandra cluster in one
> datacentre. The spec of the servers will roughly be dual core Celeron
> CPU, 256 GB SSD, 16GB RAM and two nics.
>
>
> Has anybody done any performance testing with this setup or have any
> gotcha's I should be aware of wrt to the hardware?
>
>  I do realise the CPU is fairly low computational power but I'm going
> to assume the system is going to be IO bound hence the RAM and SSD's.
>
>
> Thanks
>
> Jabbar Azam


-- 
*Colin Blower*
/Software Engineer/
Barracuda Networks Inc.
+1 408-342-5576 (o)

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