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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: WAN HBase Replication
Date Tue, 04 Oct 2011 21:31:57 GMT
This is really a question of available bandwidth VS data size, not so
much latency since replication is async.

J-D

On Tue, Oct 4, 2011 at 2:20 PM, Jeff Whiting <jeffw@qualtrics.com> wrote:
> OK that makes sense with the vpn or p2p.  Will replication work over WAN
> with the added latency, etc?
>
> ~Jeff
>
> On 10/4/2011 3:10 PM, Jean-Daniel Cryans wrote:
>>
>> Hey Jeff,
>>
>> Usually what people do is either setup a VPN between both datacenters
>> or get a point-to-point connection. We're doing the former.
>>
>> J-D
>>
>> On Tue, Oct 4, 2011 at 1:19 PM, Jeff Whiting<jeffw@qualtrics.com>  wrote:
>>>
>>> We have 2 data centers (lets call them A and B), one on the west coast
>>> and
>>> another on the east coast of the US.  We would like to replicated data
>>> between them using HBase replication.  However it looks like each region
>>> server in A has to be able to talk to each region server in B as well as
>>> have ZK access in both data centers.  For obvious reasons our HBase and
>>> ZK
>>> clusters are behind firewalls and do not have any public ip addresses.
>>>
>>> Is there a way setup replication in this case?  Is replication designed
>>> to
>>> work over a WAN or is it for LAN only?  Can some kind of gateway machine
>>> be
>>> used to relay requests between the clusters?
>>>
>>> Any thoughts would be appreciated.
>>>
>>> ~Jeff
>>>
>>> --
>>> Jeff Whiting
>>> Qualtrics Senior Software Engineer
>>> jeffw@qualtrics.com
>>>
>>>
>
> --
> Jeff Whiting
> Qualtrics Senior Software Engineer
> jeffw@qualtrics.com
>
>

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