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From Harsh J <qwertyman...@gmail.com>
Subject Re: Use VIP for DataNodes
Date Wed, 26 Jan 2011 08:14:54 GMT
Thank you for correcting that :)

On Wed, Jan 26, 2011 at 11:17 AM, Dhruba Borthakur <dhruba@gmail.com> wrote:
> Fb does not use the VIP approach, we tried that but quickly found out some
> limitations, one main problem being that the failover server pair has to be
> in the same subnet (for VIP to work). Instead we now use the AvatarNode
> integrated with Zookeeper.
>
> -dhruba
>
> On Tue, Jan 25, 2011 at 6:12 PM, Harsh J <qwertymaniac@gmail.com> wrote:
>
>> This is a good approach, is used by many to mask the NameNode address
>> for the DataNodes; and is also good to use while using BackupNode
>> (Even Facebook does this).
>>
>> On Wed, Jan 26, 2011 at 7:38 AM, mac fang <mac.hadoop@gmail.com> wrote:
>> > Hi, guys,
>> >
>> > Do we have any plan to enable VIP between NameNode and DataNodes, I mean
>> > multiple NameNodes and we use a VIP stands before the NNs. Then DNs only
>> > need to connect to the VIP. I don't know if it is valuable we have this
>> impl
>> > in our hdsf and if there has any issues?
>> >
>> > Any hints are valuable for me. :)
>> >
>> > regards
>> > macf
>> >
>>
>>
>>
>> --
>> Harsh J
>> www.harshj.com
>>
>
>
>
> --
> Connect to me at http://www.facebook.com/dhruba
>



-- 
Harsh J
www.harshj.com

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