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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Suggested settings for number crunching
Date Thu, 18 Aug 2011 12:30:59 GMT
Where is your bottleneck?
http://spyced.blogspot.com/2010/01/linux-performance-basics.html

On Thu, Aug 18, 2011 at 6:08 AM, Paul Loy <keteracel@gmail.com> wrote:
> Hi All,
>
> I have a program that crunches through around 3 billion calculations. We
> store the result of each of these in cassandra to later query once in order
> to create some vectors. Our processing is limited by Cassandra now, rather
> than the calculations themselves.
>
> I was wondering what settings I can change to increase the write throughput.
> Perhaps disabling all caching, etc, as I won't be able to keep it all in
> memory anyway and only want to query the results once.
>
> Any thoughts would be appreciated,
>
> Paul.
>
> --
> ---------------------------------------------
> Paul Loy
> paul@keteracel.com
> http://uk.linkedin.com/in/paulloy
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

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