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From "Andrew Or (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-11278) PageRank fails with unified memory manager
Date Thu, 19 Nov 2015 02:14:12 GMT

    [ https://issues.apache.org/jira/browse/SPARK-11278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15012632#comment-15012632
] 

Andrew Or commented on SPARK-11278:
-----------------------------------

[~nravi] can you try again with the latest 1.6 branch to see if this is still an issue? I
wonder how this is different with https://github.com/apache/spark/commit/56419cf11f769c80f391b45dc41b3c7101cc5ff4.

> PageRank fails with unified memory manager
> ------------------------------------------
>
>                 Key: SPARK-11278
>                 URL: https://issues.apache.org/jira/browse/SPARK-11278
>             Project: Spark
>          Issue Type: Bug
>          Components: GraphX, Spark Core
>    Affects Versions: 1.5.1
>            Reporter: Nishkam Ravi
>            Priority: Critical
>
> 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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