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From abhishek sharma <absha...@usc.edu>
Subject Re: Delivery Status Notification (Failure)
Date Fri, 11 Jun 2010 18:16:20 GMT
Simon,

Hadoop is an implementation of the Google's MapReduce framework. So it
does everything that is described in (say) the MapReduce paper.

I hope you confusion is resolved now.

Abhishek

On Thu, Jun 10, 2010 at 2:38 PM, Simon Narowki <simon.narowki@gmail.com> wrote:
> Hi Edson,
>
> Thank you for the answer. That's right MapReduce is the Google framework
> based on two functions Map and Reduce. If I understood it correctly, Hadoop
> is an implementation of Map and Reduce functions in MapReduce. My question
> is: Does Hadoop includes MapReduce framework of Google as well?
>
>
> Regards
> Simon
>
>
>
> On Thu, Jun 10, 2010 at 10:44 PM, Edson Ramiro <erlfilho@gmail.com> wrote:
>
>> Hi Simon,
>>
>> MapReduce is a framework developed by Google that uses a
>> programming model based in two functions called Map and Reduce,
>>
>> Both the framework and the programming model are called MapReduce, right?
>>
>> Hadoop is an open-source implementation of MapReduce.
>>
>> HTH,
>>
>> --
>> Edson Ramiro Lucas Filho
>> http://www.inf.ufpr.br/erlf07/
>>
>>
>> On 10 June 2010 17:40, Simon Narowki <simon.narowki@gmail.com> wrote:
>>
>> > Thanks Abhishek for your answer. But sorry still I don't understand...
>> What
>> > do you mean by the "the runtime/programming support needed for
>> MapReduce"?
>> >
>> > Could you please mention some other implementations of MapReduce?
>> >
>> > Cheers
>> > Simon
>> >
>> >
>> > On Thu, Jun 10, 2010 at 10:35 PM, abhishek sharma <absharma@usc.edu>
>> > wrote:
>> >
>> > > Hadoop is an open source implementation of the runtime/programming
>> > > support needed for MapReduce.
>> > > Several different implementations of MapReduce are possible. Google
>> > > has its own that is different from Hadoop.
>> > >
>> > > Abhishek
>> > >
>> > > On Thu, Jun 10, 2010 at 1:32 PM, Simon Narowki <
>> simon.narowki@gmail.com>
>> > > wrote:
>> > > > Dear all,
>> > > >
>> > > > I am a new Hadoop user and am confused a little bit about the
>> > difference
>> > > > between Hadoop and MapReduce. Could anyone please clear me?
>> > > >
>> > > > Thanks!
>> > > > Simon
>> > > >
>> > >
>> >
>>
>

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