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From Sonal Goyal <sonalgoy...@gmail.com>
Subject Re: Mapper input as argument
Date Thu, 07 Nov 2013 06:09:30 GMT
Hi Unmesha,

What is the computation you are trying to do? If you are interested in
computing over multiple lines instead of a single line, have a look at
NLineInputFormat.

Best Regards,
Sonal
Nube Technologies <http://www.nubetech.co>

<http://in.linkedin.com/in/sonalgoyal>




On Thu, Nov 7, 2013 at 11:35 AM, unmesha sreeveni <unmeshabiju@gmail.com>wrote:

> one more doubt : how to copy each input split entering into mapper into a
> file for computation?
>
>
> On Thu, Nov 7, 2013 at 10:35 AM, unmesha sreeveni <unmeshabiju@gmail.com>wrote:
>
>> My driver code is
>>                 FileInputFormat.setInputPaths(job, new Path(args[0]));
>>  FileOutputFormat.setOutputPath(job,new Path(args[1]));
>>
>> and My mapper is
>>         public void map(Object key, Text value, Context context)
>> throws IOException, InterruptedException {
>> where value.tostring() contains my input data.
>>
>> is that a better way to copy all the data s coming into a file and do
>> computations. OR read each line and do the calculation.
>>
>> --
>> *Thanks & Regards*
>>
>> Unmesha Sreeveni U.B
>>
>> *Junior Developer*
>>
>>
>>
>>
>
>
> --
> *Thanks & Regards*
>
> Unmesha Sreeveni U.B
>
> *Junior Developer*
>
> *Amrita Center For Cyber Security *
>
>
> * Amritapuri.www.amrita.edu/cyber/ <http://www.amrita.edu/cyber/>*
>

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