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Message Posted: Tue, 22 Sep 2015 @ 09:32:16 GMT


     
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Subj:   Re: Finding the MAX
 
From:   Jinesh

I would recommend to check for skew. is the partition columns resulting in a skewed processing?

If yes, you might want to try to add some columns (perhaps the PI columns) in the ORDER BY for a better distribution. I have have seen other using this technique but never tried/verified.



     
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