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From "shangan" <shan...@corp.kaixin001.com>
Subject data in compression format affect mapreduce speed
Date Thu, 26 Aug 2010 02:32:39 GMT
will data stored in  compression format affect mapreduce job speed? increase or decrease? or
more complex relationship between these two ?  can anybody give some explanation in detail?

2010-08-26 



shangan 

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