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From "Nishkam Ravi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-11278) PageRank fails with unified memory manager
Date Thu, 19 Nov 2015 23:22:11 GMT

     [ https://issues.apache.org/jira/browse/SPARK-11278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nishkam Ravi updated SPARK-11278:
---------------------------------
    Attachment: executor_log_legacyModeTrue.html

> 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
>            Assignee: Andrew Or
>            Priority: Critical
>         Attachments: executor_log_legacyModeTrue.html, executor_logs_legacyModeFalse.html
>
>
> 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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