[Beowulf] Belle Monte-Carlo production on the Amazon EC2 cloud

John Hearns hearnsj at googlemail.com
Thu May 14 05:02:30 EDT 2009


2009/5/14 Chris Samuel <csamuel at vpac.org>:
> Hi folks,
>
> > My favourite comment is that for a real full production
> run on Amazon EC2 to be useful it would need to be able
> to return data from S3 to the KEK collider at 600MB/s
> (~4.7Gb/s) sustained.
>
> I don't know what Amazon would say to that - well, apart
> from maybe "no". :-)


A good comment, Chris.

The important metric is job turnaround time - ie. the total time
between a scientist/engineer finishing preparation of a data set plus
parameters, and the final pictures arriving back on the persons
workstation.
I think those lessons were learned a long time ago in the mainframe
era, and maybe they are now being relearned.
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