[Openstack] Glance streaming [was RE: Use of IANA-registered port]
rick.harris at rackspace.com
Mon Jan 3 18:06:34 UTC 2011
> I'm expecting precisely one compute node per XS host
You're right. In that case, I agree, moving the code into nova-compute should be fine.
From: Ewan Mellor [Ewan.Mellor at eu.citrix.com]
Sent: Monday, January 03, 2011 11:55 AM
To: Rick Harris; Jay Pipes
Cc: openstack at lists.launchpad.net
Subject: Glance streaming [was RE: [Openstack] Use of IANA-registered port]
> From: Rick Harris [mailto:rick.harris at rackspace.com]
> > streaming should be done inside nova-compute, rather than in a xapi
> do you _need_ the code inside a plugin for xs-snapshots, or will it be
> OK if we move it?
> If we moved the code into nova-compute, wouldn't that mean we're
> all image-download/image-snapshot traffic through the compute node?
> Swift -> Glance -> Compute -> XS-Host
> Since we're going to have far fewer compute nodes than XS-Hosts,
> wouldn't it
> be better to bypass compute-node entirely?
> Swift -> Glance -> XS-Host
I'm expecting precisely one compute node per XS host. Are we talking at cross-purposes? As far as I'm concerned, nova-compute runs on every XS host (and the same would be true if we were using KVM, as far as I can tell).
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