[Beowulf] Clustering VPS servers

Eugen Leitl eugen at leitl.org
Thu Mar 21 05:45:10 PDT 2013


On Thu, Mar 21, 2013 at 08:42:17AM -0400, Joe Landman wrote:

> Honestly this never made a great deal of sense to me.  Rather than 
> clustering VPSes, why not cluster bare metal JEOS kvm hypervisor built 
> machines?  Not quite VMware stuff.  We are using lots of kvm (obscene 
> amounts of it) in our projects across several OSes.  Linux, 
> Illumos/SmartOS.  We've been tweaking tiburon to handle such kvm boots, 
> so that turning on a very large cluster of virtual machines and having 
> them ready would take seconds to minutes at worst.  Not half hours to 
> several hours for provisioning.

Not sure I plugged this here before: http://erlangonxen.org/
It's proprietary so far, but such solutions can be replicated in
the FLOSS domain.
 
> VPS doesn't quite have the isolation of kvm, which is part of why I'd 
> like to see that.  But kvm doesn't have great PCIe pass through (yet, 
> its getting better).  VPS might be able to make better use of the resource.


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