[Openstack-operators] [Openstack] [SWIFT] Rack-awareness
ogelbukh at mirantis.com
Fri Nov 2 06:58:21 UTC 2012
Could you please share a link to the materials of the discussion you've
mentioned, or may be place where the discussion takes place (if it's
online)? We're currently working on R&D project that involves prototype
implementation of regions, and I'm eager to see suggestions for replication
optimizations and possibly get some feedback about our approach.
On Thu, Nov 1, 2012 at 7:55 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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