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SubjectRe: 2.6.13-rc3-mm1 (ckrm)
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On Fri, 22 Jul 2005 00:53:58 EDT, Mark Hahn wrote:
> > > > yes, that's the crux. CKRM is all about resolving conflicting resource
> > > > demands in a multi-user, multi-server, multi-purpose machine. this is a
> > > > huge undertaking, and I'd argue that it's completely inappropriate for
> > > > *most* servers. that is, computers are generally so damn cheap that
> > > > the clear trend is towards dedicating a machine to a specific purpose,
> > > > rather than running eg, shell/MUA/MTA/FS/DB/etc all on a single machine.
> >
> > This is a big NAK - if computers are so damn cheap, why is virtualization
> > and consolidation such a big deal? Well, the answer is actually that
>
> yes, you did miss my point. I'm actually arguing that it's bad design
> to attempt to arbitrate within a single shared user-space. you make
> the fast path slower and less maintainable. if you are really concerned
> about isolating many competing servers on a single piece of hardware, then
> run separate virtualized environments, each with its own user-space.

I'm willing to agree to disagree. I'm in favor of full virtualization
as well, as it is appropriate to certain styles of workloads. I also
have enough end users who also want to share user level, share tasks,
yet also have some level of balancing between the resource consumption
of the various environments. I don't think you are one of those end
users, though. I don't think I'm required to make everyone happy all
the time. ;)

BTW, does your mailer purposefully remove cc:'s? Seems like that is
normally considered impolite.

gerrit
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