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From Reminia Scarlet <>
Subject problem about RDD map and then saveAsTextFile
Date Fri, 27 May 2016 09:53:45 GMT
Hi all:
 I’ve tried to execute something as below:

 Result is a RDD caluculated from mlilib algorithm.

I submit this to yarn, and after two attempts , the application failed.

But the exception in log is very missleading. It said  hdfsAddress already

Actually, the first attempt log showed that the exception is from the
calculation of

result. Though the attempt failed it created the file. And then attempt 2
began with

exception ‘file already exists’.

 Why was RDD calculation before already failed but also the file created?
That’s not so good I think.

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