[Openstack] HPC with Openstack?
leandro.reox at gmail.com
Sat Dec 3 03:04:00 UTC 2011
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 at hytek.org> 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.
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