[Openstack-operators] [Openstack] [SWIFT] Rack-awareness
leandro.reox at mercadolibre.com
Thu Nov 1 16:01:14 UTC 2012
Yep, i know that we can achieve that by defining zones and quantity of
replicas, and play with that a little bit. My question actually was
focused to the globally distributed swift cluster that youre commenting,
ill follow that.
*Leandro Reox *
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On Thu, Nov 1, 2012 at 12:55 PM, John Dickinson <me at not.mn> wrote:
> This is already supported in Swift with the concept of availability zones.
> Swift will place each replica in different availability zones, if possible.
> If you only have one zone, Swift will place the replicas on different
> machines. If you only have one machine, Swift will place the replicas on
> different drives.
> There are active discussions right now about how Swift can support a tier
> above these availability zones: "regions". A region would be defined by a
> hogher latency link and can provide additional data durability, and,
> depending on your deployment details, better availability.
> http://swiftstack.com/blog/2012/09/16/globally-distributed-openstack-swift-cluster/has more info on the ideas we're talking about.
> On Nov 1, 2012, at 8:45 AM, Leandro Reox <leandro.reox at gmail.com> wrote:
> > Hi guys,
> > Any plans to implement something like hadoop rack-awareness where we can
> define "rack" spaces to guarantee that a copy of an object is stored for
> example on another datacenter, on another coast. Or should this be managed
> by container sync to the other datacenter
> > I think that this can be a nice-to-have feature, i dont know if its on
> the dev roadmap
> > Best
> > Lean
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