Re: How client choose among replications?

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There are a few more options that are in current dev releases for
directing traffic to replicas, but it remains pretty specialized and
probably won't be supported past the direct librados client layer for
Firefly (unless somebody's prioritized it for RGW or RBD that I
haven't heard about).
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com


On Tue, Feb 11, 2014 at 5:04 PM, Kyle Bader <kyle.bader@xxxxxxxxx> wrote:
>
>> Why would it help? Since it's not that ONE OSD will be primary for all
>> objects. There will be 1 Primary OSD per PG and you'll probably have a
>> couple of thousands PGs.
>
> The primary may be across a oversubscribed/expensive link, in which case a
> local replica with a common ancestor to the client may be preferable. It's
> WIP with the goal of landing in firefly iirc.
>
>
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