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From 周俊清 <2ho...@163.com>
Subject Re:Spill and Map Output
Date Thu, 23 Dec 2010 04:59:59 GMT
 >Hi,
>
>1 - I would like to understand how a partition works in the Map
>Reduce. I know that the Map Reduce contains the IndexRecord class that
>indicates the length of something. Is it the length of a partition or
>of a spill?
>
>2 - In large map output, a partition can be a set of spills, or a
>spill is simple the same thing as a partition?
>
>Thanks,
>-- 
>Pedro

 
 
 
----------------------------
周俊清
2houjq@163.com
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