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From Alexander Shraer <shra...@gmail.com>
Subject Re: how is zookeeper deploy at multi datacenter?
Date Thu, 30 Jun 2016 05:30:35 GMT
our recent paper may be relevant:
https://www.usenix.org/conference/atc16/technical-sessions/presentation/lev-ari

On Wed, Jun 29, 2016 at 10:04 PM, chen dongming <cademfly@hotmail.com>
wrote:

> How many ways to deploy at multi datacenter for backup?
>
>  From my point view:
>
> 1. use observer
>
>      use only 1 ensemble
>
>      one datatcenter as main datacenter with leader and follower
>
>      other datacenters only with 3 observers
>
>      When main datacenter crash, select one datacenter as new main
> datacenter, and convert observers to leader/follower manually.
>
> 2. sync data at app level
>
>      use multi ensembles for each datacenter
>
>      sync data at app level, and app make sure no data conflict between
> ensembles.
>
> Is there any other way to deploy multi datacenter for backup?
>
> At last, I notice issue ZOOKEEPER-892 discontinue, why ? And zoorepl is
> suitable for multi datacenter for buckup?
>
>
>
>

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