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From "Dhruba Borthakur" <dhr...@gmail.com>
Subject Re: Block placement in HDFS
Date Tue, 25 Nov 2008 14:29:28 GMT
Hi Dennis,

There were some discussions on this topic earlier:

http://issues.apache.org/jira/browse/HADOOP-3799

Do you have any specific use-case for this feature?

thanks,
dhruba

On Mon, Nov 24, 2008 at 10:22 PM, Owen O'Malley <omalley@apache.org> wrote:

>
> On Nov 24, 2008, at 8:44 PM, Mahadev Konar wrote:
>
>  Hi Dennis,
>>  I don't think that is possible to do.
>>
>
> No, it is not possible.
>
>   The block placement is determined
>> by HDFS internally (which is local, rack local and off rack).
>>
>
> Actually, it was changed in 0.17 or so to be node-local, off-rack, and a
> second node off rack.
>
> -- Owen
>

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