Or you can output the data in the keys and NullWritable as the value.
That ways you'll get only unique data...

On 9/4/09, zhang jianfeng <[email protected]> wrote:
> Hi Sugandha ,
>
> If you only want to the value, you need to set the key as NullWritable in
> reduce.
>
> e.g.
> output.collect(NullWritable.get(), value);
>
>
>
> On Fri, Sep 4, 2009 at 12:46 AM, Sugandha Naolekar
> <[email protected]>wrote:
>
>> Hello!
>>
>>        Running a simple MR job, and setting a replication factor of 2.
>> Now,
>> after its execution, the output is split in files named as part-00000 and
>> so
>> on. I want to ask is, can't we avoid these keys or key values to get
>> printed
>> in output files? I mean, I am getting the output in the files in key-value
>> pair. I want just the data and not the keys(integers) in it.
>>
>>
>>
>>
>> --
>> Regards!
>> Sugandha
>>
>


-- 


Amandeep Khurana
Computer Science Graduate Student
University of California, Santa Cruz

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