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From marylucy <qaz163wsx_...@hotmail.com>
Subject why fetch failed
Date Sun, 19 Oct 2014 01:22:19 GMT
When doing groupby for big data,may be 500g,some partition tasks success,some partition tasks
fetchfailed error.   Spark system retry previous stage,but always fail
6 computers : 384g
Worker:40g*7 for one computer

Can anyone tell me why fetch failed???
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