Get loads of ram, vmware-server and BINGO! you have a cluster!
But this isn't a cluster - it's enterprise masturbation. We're talking
And as noted, it may be a reasonable way to build a dynamically
repurposeable cluster intended to run certain classes of EP or not
do people really do this with jobs so short that it wouldn't
make more sense to just netboot a custom image? then you get
full-on native performance, but you probably don't want to try
repurposing more than a few times/hour. heck, even if you did,
just use kexec rather than rebooting, and I think you could
come up in a new image close to as fast as a VM would start.
IMO, VM's are mainly about isolation (and, for commercial low-duty-cycle
applications, overcommittment for better utilization.)
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