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[Leandro Reox <leandro.reox@xxxxxxxxx>]

An HPC way of usage for.openstack at.mercadolibre is for example to run
integration and regresions test on productios pre and post deploy too. So
Jenkins servers are shooted in a minute to support the tests load and then
they destroy themselves.
On Dec 2, 2011 3:55 PM, "Oliver Baltzer" <oliver@xxxxxxxxx> wrote:

> > As a side note, HPC means very different things to different people. In
> > the circles I move in, HPC is interested in running compute jobs that are
> > CPU-intensive, require large amounts of memory, and need
> > low-latency/high-bandwidth interconnects to allow the user to break up a
> > tightly coupled compute job across multiple nodes.  A particular compute
> > job will run for hours to days, so fast provisioning isn't necessarily
> > critical (the traditional HPC model is to have your job wait in a batch
> > queue until the resources are available).
>
> I am interested in a model that supports all of the above, but individual
> jobs have a very short lifespan (a few minutes) and are time critical
> (every minute counts). Also, there is not necessarily a steady stream of
> jobs, such that there are demand peaks (several times a day).
>
> In that model I do not want to wait minutes to provision compute nodes for
> a job that runs 5 minutes. Neither do I want to run a cluster permanently
> that has 100% utilization for maybe 2 or 3 hours in total per day. So a
> cloud model would be quite attractive, if it could deliver the performance,
> provision fast enough, and charge in minute intervals rather than hours.
>
> Cheers,
> Oliver
>
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