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From "Matthieu Riou" <matth...@offthelip.org>
Subject Re: [PROPOSAL] Tashi
Date Tue, 15 Jul 2008 19:00:23 GMT
On Tue, Jul 15, 2008 at 6:55 AM, David O'Hallaron <droh@cs.cmu.edu> wrote:

> Matthieu,
>
> >  * The sponsoring entity is the Incubator so I'm guessing you're shooting
> > for graduating as a TLP. What kind of interactions do you foresee with
> > Hadoop for example?
>
> We talked with Doug Cutting about whether to shoot for a TLP or a
> subproject under Hadoop. We decided ultimately to go the TLP route
> because Tashi and Hadoop are at different levels in the stack.
> However, we see Hadoop as one of the important applications running on
> Tashi virtual clusters, so the two projects are quite complementary.
>
> >  * IIC Tashi is only about management, not about the underlying
> > storage/computing technology. Is that correct? And if so which ones do
> you
> > plan to integrate with?
>
> Yes, that's correct. We plan to integrate with the major VMMs, such as
> Xen, Linux KVM and VMWare. For storage, we're looking at integrating
> with HDFS, pVFS and later pNFS when it becomes more mature.An
> important goal is to provide the hooks and interfaces that allow any
> DFS and VMM vendor to integrate with the system.
>
> >  * I can't help asking for more technical details. What's the
> > implementation language for your POC code? What are the non-proprietary
> > interfaces you're thinking of?
>
> The POC code is a couple of thousand lines of original Python code.
> Major components are cluster manager (cm), which runs on one of the
> cluster nodes, a node manager (nm), which runs on each of the other
> physical cluster nodes, a simple db on the cluster manager for
> configuration data, and some client utilities.
>
> We're really thinking hard about interfaces now, but don't have clear
> definitions yet. The kinds of things wer are  thinking about are
> interfaces between the client and cm and cm and nm for manipulating
> starting, starting, and migrating vms, interfaces for some kind of
> event/messaging system for monitoring and reporting system state to
> the cm and client, interfaces between the cm/nm and storage system to
> allow the cm to do storage-aware scheduling of vms, interfaces to
> power management and system management hardware features, and possibly
> interfaces for federating different Tashi clusters.
>


Okay, sounds good to me, thanks for the clarifications.

Also if you need another mentor, you can count me in.

Cheers,
Matthieu



>
> Thanks,
>
> Dave
>
> --
> -- David O'Hallaron
> -- Director, Intel Research Pittsburgh
> -- Assoc Prof of CS and ECE, Carnegie Mellon University
> -- http://www.cs.cmu.edu/~droh <http://www.cs.cmu.edu/%7Edroh>
>
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