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Pig >> mail # dev >> Sampling in operations like Order by

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Re: Sampling in operations like Order by
The first job simply read input and dump to hdfs. The need for first job is:
1. SampleLoader does not work with non-hdfs loader
2. SampleLoader does not process any operators before "order by"

In some cases the first job can be optimized out, see


On Thu, May 22, 2014 at 8:04 PM, Ruoyu Liu <[EMAIL PROTECTED]> wrote:

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