Re: PATCH: Remove Xen Proxy driver

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On Wed, Sep 19, 2007 at 06:27:39AM -0400, Daniel Veillard wrote:
> On Wed, Sep 19, 2007 at 06:22:58AM -0400, Daniel Veillard wrote:
> > On Wed, Sep 19, 2007 at 04:08:50AM +0100, Daniel P. Berrange wrote:
> > > On Wed, Sep 19, 2007 at 04:05:53AM +0100, Daniel P. Berrange wrote:
> > > > Since the previous patch allows the remote daemon to serve all the functions
> > > > of the current Xen Proxy driver, this patch simply removes the Xen proxy
> > > > and its driver.
> > > 
> > > Oh I should mention, I've only done minimal testing on this so far. I need
> > > to do more extensive testing to ensure I didn't miss any edge cases in the
> > > way apps were using the proxy. 
> > 
> 
>   Just thinking about it, maybe test that the change doesn't end up doing
> too much performance degradation. For example if instead of doing RPC to
> proxy + hypercall, we end up doing RPC to daemon + PolicyKit (DBus RPC
> + lookup) + say xend access, this may introduce some regression. I assume
> all calls previously serviced by the proxy would still be allowed freely
> without PolicyKit checking, right ?

I'll check the performance again. Last time I did this, using UNIX sockets
with the remote driver was pretty damn good. The policykit DBus hit is a
one-time hit when the socket is opened, so negligable & no impact per-RPC
call.

Dan.
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