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From Chris Douglas <chris.doug...@gmail.com>
Subject Re: Rewriting in image resizing program in terms of map reduce
Date Sat, 05 Dec 2009 02:06:02 GMT
Consider NLineInputFormat. -C

On Fri, Dec 4, 2009 at 5:34 PM, Ted Xu <ted.xu.ml@gmail.com> wrote:
> Hi Daniel,
>
> I think there are better solutions, but simply chop the input file into
> pieces ( i.e. 10 urls per file ) shall work.
>
> 2009/12/4 Daniel Garcia <daniel@danielgarcia.info>
>>
>> Hello!
>> I'm trying to rewrite an image resizing program in terms of
>> map/reduce. The problem I see is that the job is not broken up in to small
>> enough tasks. If I only have 1 input file with 10,000 urls (the file is much
>> less than the HDFS block size) how can I ensure that the job is distributed
>> amongst all the nodes. In other words how can I ensure that the task size is
>>  small enough so that all nodes process a proportional size of the input.
>> Regards,
>> Daniel
>
> Best Regards,
>
> Tex Xu
>

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