Open Stack

Hi Tim,

Can you comment on scalability more? Are you referring to just the RPC layer in the control plane?

Subbu


> 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.
>  
> Tim
>  
> 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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