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From Adam Muise <amu...@hortonworks.com>
Subject Re: Multidata center support
Date Fri, 30 Aug 2013 10:26:54 GMT
Nothing has changed. DR best practice is still one (or more) clusters per
site and replication is handled via distributed copy or some variation of
it. A cluster spanning multiple data centers is a poor idea right now.




On Fri, Aug 30, 2013 at 12:35 AM, Rahul Bhattacharjee <
rahul.rec.dgp@gmail.com> wrote:

> My take on this.
>
> Why hadoop has to know about data center thing. I think it can be
> installed across multiple data centers , however topology configuration
> would be required to tell which node belongs to which data center and
> switch for block placement.
>
> Thanks,
> Rahul
>
>
> On Fri, Aug 30, 2013 at 12:42 AM, Baskar Duraikannu <
> baskar.duraikannu@outlook.com> wrote:
>
>> We have a need to setup hadoop across data centers.  Does hadoop support
>> multi data center configuration? I searched through archives and have found
>> that hadoop did not support multi data center configuration some time back.
>> Just wanted to see whether situation has changed.
>>
>> Please help.
>>
>
>


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