[Openstack] Cells use cases
subbu at subbu.org
Thu Oct 3 17:23:24 UTC 2013
Can you comment on scalability more? Are you referring to just the RPC layer in the control plane?
> On Oct 3, 2013, at 8:53 AM, Tim Bell <Tim.Bell at cern.ch> wrote:
> At CERN, we’re running cells for scalability. When you go over 1000 hypervisors or so, the general recommendation is to be in a cells configuration.
> Cells are quite complex and the full functionality is not there yet so some parts will need to wait for Havana.
> From: Dmitry Ukov [mailto:dukov at mirantis.com]
> Sent: 03 October 2013 16:38
> To: openstack at lists.openstack.org
> Subject: [Openstack] Cells use cases
> Hello all,
> I've really interested in cells but unfortunately i can't find any useful use cases of them.
> For instance I have 4 DCs and I need single entry point for them. In this case cells are a bit complicated solution. It's better to use multiple regions in keystone instead
> The only one good reason for cells, which I've found, is to organize so-called failure domains, i.e. scheduling on another DCs in case of failures.
> Does anyone have different use cases or vision on cells usage?
> Thanks in advance.
> Kind regards
> Dmitry Ukov
> IT Engineer
> Mirantis, Inc.
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