Frederico Aquino Carneiro wrote:
Hi! I am new in clustering, and I want to begin with the Beowulf Cluster,
but I have one doubt: vmware enjoy the performance of the cluster? I mean,
using the Beowulf cluster i will have a better perfomance with the vmware??
Will vmware work faster and better?
By it's very nature a beowulf cluster is about running applications faster
with a collection of commodity hardware than you can by buying the old school
larger servers from SGI, Sun, HP, and friends. Price/performance is key.
Part of that is using open source software where you can to keep prices down,
not to mention the ability to share the design and implementation with other
folks. Because most of the hardware and software isn't targeted towards
beowulf users (a very small minority of the market) often changes are required.
For that reason I'd consider other virtualization software like kvm or xen.
Given the nasty real world realities like barges that run through power lines
and users/codes with long runtimes that do not use/have checkpointing I can
see virtualization being rather handy even though it does slow down compute
bound processes.
Has anyone measured the performance difference of a compute bound job with xen
or vmware, I'd imagine it's well under 10%, but I haven't measured it personally.
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