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RE: [Xen-API] Re: [Xen-devel] XCP: dom0 scalability

To: "'Thomas.Gazagnaire@xxxxxxxx'" <Thomas.Gazagnaire@xxxxxxxx>, Pasi Kärkkäinen <pasik@xxxxxx>
Subject: RE: [Xen-API] Re: [Xen-devel] XCP: dom0 scalability
From: Dave Scott <Dave.Scott@xxxxxxxxxxxxx>
Date: Mon, 11 Oct 2010 21:22:17 +0100
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Thread-topic: [Xen-API] Re: [Xen-devel] XCP: dom0 scalability
Hi Thomas, Pasi,

Thomas wrote:
> I think oxenstored already has (some) support for running in stubdom,
> the difficult part for oxenstored if I remember correctly is the way
> xapi
> communicates with it, ie. using fds. Don't know if it is easy or not to
> replace them with ring buffers ... But Vincent should know :-)

IIRC there's a function 'Xc.daemon_open' which uses a Unix.file_descr and a 
function 'Xc.domain_open' which uses the ring buffers. I think we'd just need 
to redefine our 'with_xs' helper function to use 'Xc.domain_open'?

Pasi wrote:
> > qemu-dm already supports stubdoms, driver-domains should work..
> >
> > This stuff will require a lof of testing..

It'll be a lot of fun :)


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