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Posted to common-user@hadoop.apache.org by unmesha sreeveni <un...@gmail.com> on 2013/12/26 10:32:08 UTC
mapper and reducer working
How the reducers merge data.
Map executes in different nodes . Reducer also works in same fasion?
--
*Thanks & Regards*
Unmesha Sreeveni U.B
*Junior Developer*
http://www.unmeshasreeveni.blogspot.in/
Re: mapper and reducer working
Posted by Jiayu Ji <ji...@gmail.com>.
the link
https://www.inkling.com/read/hadoop-definitive-guide-tom-white-3rd/chapter-6/shuffle-and-sort
On Thu, Dec 26, 2013 at 9:17 AM, Jiayu Ji <ji...@gmail.com> wrote:
> There is a sort and shuffle phrase in MapReduce. I think this link would
> answer your question
>
>
>
> On Thu, Dec 26, 2013 at 3:32 AM, unmesha sreeveni <un...@gmail.com>wrote:
>
>> How the reducers merge data.
>> Map executes in different nodes . Reducer also works in same fasion?
>>
>> --
>> *Thanks & Regards*
>>
>> Unmesha Sreeveni U.B
>>
>> *Junior Developer*
>> http://www.unmeshasreeveni.blogspot.in/
>>
>>
>
>
> --
> Jiayu (James) Ji,
>
> Cell: (312)823-7393
>
>
--
Jiayu (James) Ji,
Cell: (312)823-7393
Re: mapper and reducer working
Posted by Jiayu Ji <ji...@gmail.com>.
the link
https://www.inkling.com/read/hadoop-definitive-guide-tom-white-3rd/chapter-6/shuffle-and-sort
On Thu, Dec 26, 2013 at 9:17 AM, Jiayu Ji <ji...@gmail.com> wrote:
> There is a sort and shuffle phrase in MapReduce. I think this link would
> answer your question
>
>
>
> On Thu, Dec 26, 2013 at 3:32 AM, unmesha sreeveni <un...@gmail.com>wrote:
>
>> How the reducers merge data.
>> Map executes in different nodes . Reducer also works in same fasion?
>>
>> --
>> *Thanks & Regards*
>>
>> Unmesha Sreeveni U.B
>>
>> *Junior Developer*
>> http://www.unmeshasreeveni.blogspot.in/
>>
>>
>
>
> --
> Jiayu (James) Ji,
>
> Cell: (312)823-7393
>
>
--
Jiayu (James) Ji,
Cell: (312)823-7393
Re: mapper and reducer working
Posted by Jiayu Ji <ji...@gmail.com>.
the link
https://www.inkling.com/read/hadoop-definitive-guide-tom-white-3rd/chapter-6/shuffle-and-sort
On Thu, Dec 26, 2013 at 9:17 AM, Jiayu Ji <ji...@gmail.com> wrote:
> There is a sort and shuffle phrase in MapReduce. I think this link would
> answer your question
>
>
>
> On Thu, Dec 26, 2013 at 3:32 AM, unmesha sreeveni <un...@gmail.com>wrote:
>
>> How the reducers merge data.
>> Map executes in different nodes . Reducer also works in same fasion?
>>
>> --
>> *Thanks & Regards*
>>
>> Unmesha Sreeveni U.B
>>
>> *Junior Developer*
>> http://www.unmeshasreeveni.blogspot.in/
>>
>>
>
>
> --
> Jiayu (James) Ji,
>
> Cell: (312)823-7393
>
>
--
Jiayu (James) Ji,
Cell: (312)823-7393
Re: mapper and reducer working
Posted by Jiayu Ji <ji...@gmail.com>.
the link
https://www.inkling.com/read/hadoop-definitive-guide-tom-white-3rd/chapter-6/shuffle-and-sort
On Thu, Dec 26, 2013 at 9:17 AM, Jiayu Ji <ji...@gmail.com> wrote:
> There is a sort and shuffle phrase in MapReduce. I think this link would
> answer your question
>
>
>
> On Thu, Dec 26, 2013 at 3:32 AM, unmesha sreeveni <un...@gmail.com>wrote:
>
>> How the reducers merge data.
>> Map executes in different nodes . Reducer also works in same fasion?
>>
>> --
>> *Thanks & Regards*
>>
>> Unmesha Sreeveni U.B
>>
>> *Junior Developer*
>> http://www.unmeshasreeveni.blogspot.in/
>>
>>
>
>
> --
> Jiayu (James) Ji,
>
> Cell: (312)823-7393
>
>
--
Jiayu (James) Ji,
Cell: (312)823-7393
Re: mapper and reducer working
Posted by Jiayu Ji <ji...@gmail.com>.
There is a sort and shuffle phrase in MapReduce. I think this link would
answer your question
On Thu, Dec 26, 2013 at 3:32 AM, unmesha sreeveni <un...@gmail.com>wrote:
> How the reducers merge data.
> Map executes in different nodes . Reducer also works in same fasion?
>
> --
> *Thanks & Regards*
>
> Unmesha Sreeveni U.B
>
> *Junior Developer*
> http://www.unmeshasreeveni.blogspot.in/
>
>
--
Jiayu (James) Ji,
Cell: (312)823-7393
Re: mapper and reducer working
Posted by Jiayu Ji <ji...@gmail.com>.
There is a sort and shuffle phrase in MapReduce. I think this link would
answer your question
On Thu, Dec 26, 2013 at 3:32 AM, unmesha sreeveni <un...@gmail.com>wrote:
> How the reducers merge data.
> Map executes in different nodes . Reducer also works in same fasion?
>
> --
> *Thanks & Regards*
>
> Unmesha Sreeveni U.B
>
> *Junior Developer*
> http://www.unmeshasreeveni.blogspot.in/
>
>
--
Jiayu (James) Ji,
Cell: (312)823-7393
Re: mapper and reducer working
Posted by Jiayu Ji <ji...@gmail.com>.
There is a sort and shuffle phrase in MapReduce. I think this link would
answer your question
On Thu, Dec 26, 2013 at 3:32 AM, unmesha sreeveni <un...@gmail.com>wrote:
> How the reducers merge data.
> Map executes in different nodes . Reducer also works in same fasion?
>
> --
> *Thanks & Regards*
>
> Unmesha Sreeveni U.B
>
> *Junior Developer*
> http://www.unmeshasreeveni.blogspot.in/
>
>
--
Jiayu (James) Ji,
Cell: (312)823-7393
Re: mapper and reducer working
Posted by Jiayu Ji <ji...@gmail.com>.
There is a sort and shuffle phrase in MapReduce. I think this link would
answer your question
On Thu, Dec 26, 2013 at 3:32 AM, unmesha sreeveni <un...@gmail.com>wrote:
> How the reducers merge data.
> Map executes in different nodes . Reducer also works in same fasion?
>
> --
> *Thanks & Regards*
>
> Unmesha Sreeveni U.B
>
> *Junior Developer*
> http://www.unmeshasreeveni.blogspot.in/
>
>
--
Jiayu (James) Ji,
Cell: (312)823-7393