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From "Nishkam Ravi (JIRA)" <>
Subject [jira] [Created] (SPARK-11278) PageRank fails with unified memory manager
Date Fri, 23 Oct 2015 09:13:27 GMT
Nishkam Ravi created SPARK-11278:

             Summary: PageRank fails with unified memory manager
                 Key: SPARK-11278
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 1.5.2, 1.6.0
            Reporter: Nishkam Ravi

PageRank (6-nodes, 32GB input) runs very slow and eventually fails with ExecutorLostFailure.
Traced it back to the 'unified memory manager' commit from Oct 13th. Took a quick look at
the code and couldn't see the problem (changes look pretty good). cc'ing [~andrewor14][~vanzin]
who may be able to spot the problem quickly. Can be reproduced by running PageRank on a large
enough input dataset if needed. Sorry for not being of much help here.

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