chris not only the vm being portable yes you would take a hit yet from my research into xen it seems like the paid version of citrix xen server has some other nice features such as migration to a back up machine in case of hardware failure.
when you all say performance hit how much of a hit are we talking about. also if you guys are running on bare metal a number of complex computations arent you sharing resources that way as well? On Wed, Jan 27, 2010 at 1:02 AM, Chris Dagdigian <[email protected]> wrote: > > One of the virtualization trends I do see in HPC/clustering is in the area > of packaging up entire scientific applications into their own custom VMs > which contain all the necessary libraries, software dependencies etc. > > There is a performance hit now and implementation is clunky but I can see > cases where "each app sits in its own VM" and the VMs get launched across a > cluster would helpful. > > This sort of work is trending upwards with Amazon AWS and other > infrastructure providers - it can be easier to blast your workflow out into > 'the cloud' if it's all wrapped up in a self contained and super portable > VM. > > Given how many different versions of R and other core tools like Perl etc. > that I need to support on heterogenous scientific clusters this could be a > good trend, heh. > > Just my $.02 > > -Chris > > > _______________________________________________ > Beowulf mailing list, [email protected] sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > -- Jonathan Aquilina
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