Re: [Xen-devel] Xen 3.4.1 NUMA support

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

I haven't had time to look at NUMA stuff at all.  I probably will look 
at it eventually, if no one else does, but I'd be happy if someone else 
could pursue it.
-George

Dan Magenheimer wrote:
> VMware has the notion of a "cell" where VMs can be
> scheduled only within a cell, not across cells.
> Cell boundaries are determined by VMware by
> default, though certains settings can override them.
>
> An interesting project might be to implement
> "numa=cell" for Xen.... or maybe something similar
> is already in George Dunlap's scheduler plans?
>
>   
> > -----Original Message-----
> > From: Keir Fraser [mailto:keir.fraser@xxxxxxxxxxxxx]
> > Sent: Wednesday, November 04, 2009 5:33 AM
> > To: Papagiannis Anastasios; xen-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-devel] Xen 3.4.1 NUMA support
> >
> >
> > Add Xen boot parameter 'numa=on' to enable NUMA detection. 
> > Then it's up to
> > you to, for example, pin domains to specific nodes, using the 
> > 'cpus=...'
> > option in the domain config file. See /etc/xen/xmexample1 for 
> > an example of
> > its usage.
> >
> >  -- Keir
> >
> > On 04/11/2009 12:02, "Papagiannis Anastasios" 
> > <apapag@xxxxxxxxxxxx> wrote:
> >     
> > > Hello,
> > >
> > > does the last version of Xen(3.4.1) support NUMA machines? 
> > >       
> > Is there a .pdf
> >     
> > > or a link that can give me some more details about that? I work on a
> > > project for xen performace in numa machines. And in xen 3.3.0 this
> > > performance isn't good. Have something changed in last version?
> > >
> > > Thanks in advance,
> > > Papagiannis Anastasios
> > >
> > >
> > > _______________________________________________
> > > Xen-devel mailing list
> > > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-devel
> > >       
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> >
> >     
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