tant
University of Houston Main Campus, Houston TX
From: "bit1...@163.com"
Reply-To:
Date: Tuesday, December 16, 2014 at 2:12 AM
To: user
Subject: Re: Re: Where the output of mappers are saved ?
Thanks Susheel !, understood.
bit1...@163.com
>
> From: Susheel Kumar Ga
Thanks Susheel !, understood.
bit1...@163.com
From: Susheel Kumar Gadalay
Date: 2014-12-16 15:27
To: user
Subject: Re: Re: Where the output of mappers are saved ?
I don't think so. It will be a single output file per reducer.
If u want multiple small size output files then specif
y, 2G, will the
> file be splitted into more files under the output directory,that is, one
> reducer could product more than one files.
>
>
>
> bit1...@163.com
>
> From: Susheel Kumar Gadalay
> Date: 2014-12-16 14:17
> To: user
> Subject: Re: Re: Where the output o
: Re: Re: Where the output of mappers are saved ?
Yes, the map outputs will be cleaned on job completion.
If u want to see the map outputs give number of reducers as zero
and verify the files part-m-, part-m-0001
On 12/16/14, bit1...@163.com wrote:
> Do they only exist during the
the MR finished？
>
> When the reduce finished，I only see part-m-, part-m-0001 , which
> are reduce results.
>
>
>
> bit1...@163.com
>
> From: Susheel Kumar Gadalay
> Date: 2014-12-16 13:05
> To: user
> Subject: Re: Where the output of mappers are saved ?
>
Thanks.
>
>
> From: Abdul Navaz
> Date: Friday, December 12, 2014 at 12:36 AM
> To: "user@hadoop.apache.org"
> Subject: Where the output of mappers are saved ?
>
> Hello,
>
>
> I am interested in efficiently manage the Hadoop shuffling traffic and
&g
; From: Abdul Navaz
> Date: Friday, December 12, 2014 at 12:36 AM
> To: "user@hadoop.apache.org"
> Subject: Where the output of mappers are saved ?
>
> Hello,
>
>
> I am interested in efficiently manage the Hadoop shuffling traffic and
> utilize the network
bytes
Thanks.
From: Abdul Navaz
Date: Friday, December 12, 2014 at 12:36 AM
To: "user@hadoop.apache.org"
Subject: Where the output of mappers are saved ?
Hello,
I am interested in efficiently manage the Hadoop shuffling traffic and
utilize the network bandwidth effectively. To
Hello,
I am interested in efficiently manage the Hadoop shuffling traffic and
utilize the network bandwidth effectively. To do this I want to know how
much shuffling traffic generated by each Datanodes ? Shuffling traffic is
nothing but the output of mappers. So where this mapper output is saved
