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SubjectRe: Scaling noise
On Wed, Sep 03, 2003 at 02:51:35PM -0700, William Lee Irwin III wrote:
> At some point in the past, I wrote:
> >> SSI clusters have most of the same problems,
> >> really. Managing the systems just becomes "managing the nodes" because
> >> they're not called systems, and you have to go through some (possibly
> >> automated, though not likely) hassle to figure out the right way to
> >> spread things across nodes, which virtualizes pieces to hand to which
> >> nodes running which loads, etc.
>
> On Wed, Sep 03, 2003 at 02:29:01PM -0700, Martin J. Bligh wrote:
> > That's where I disagree - it's much easier for the USER because an SSI
> > cluster works out all the load balancing shit for itself, instead of
> > pushing the problem out to userspace. It's much harder for the KERNEL
> > programmer, sure ... but we're smart ;-) And I'd rather solve it once,
> > properly, in the right place where all the right data is about all
> > the apps running on the system, and the data about the machine hardware.
>
> This is only truly feasible when the nodes are homogeneous. They will
> not be as there will be physical locality (esp. bits like device
> proximity) concerns.

Huh? The nodes are homogeneous. Devices are either local or proxied.
--
---
Larry McVoy lm at bitmover.com http://www.bitmover.com/lm
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