[Openstack] Swift Consistency Guarantees?

Nikolaus Rath Nikolaus at rath.org
Fri Jan 20 23:56:03 UTC 2012


On 01/20/2012 06:35 PM, Pete Zaitcev wrote:
> On Fri, 20 Jan 2012 15:17:32 -0500
> Nikolaus Rath <Nikolaus at rath.org> wrote:
> 
>> Thanks! So there is no way to reliably get the most-recent version of an
>> object under all conditions.
> 
> If you bend the conditions hard enough to hit the CAP theorem, you do.

>From what I have heard so far, it seems to be sufficient if all servers
holding the newest replica are down for me to get old data. I don't
think that this condition is already hitting the CAP theorem, or is it?


Best,

   -Nikolaus

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