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From "Jan van der Lugt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-259) TestBspBasic.testBspPageRank is broken
Date Thu, 02 Aug 2012 20:37:03 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427590#comment-13427590
] 

Jan van der Lugt commented on GIRAPH-259:
-----------------------------------------

To me the difference between master-first or vertex-first is not very important, but it seems
more intuitive to run the master first (kind of 'leading the way', so to speak). I recall
I have changed the code so BSPWorkers also get aggregator values for superstep 0, so executing
the master first should not be a problem. The main problem there is now, is that the master
doesn't reset the value together with the workers, so the value is never actually reset.
                
> TestBspBasic.testBspPageRank is broken
> --------------------------------------
>
>                 Key: GIRAPH-259
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-259
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Maja Kabiljo
>            Assignee: Maja Kabiljo
>         Attachments: GIRAPH-259-1.patch, GIRAPH-259-2.patch, GIRAPH-259-3.patch
>
>
> Test crashes on line 152 in class SimplePageRankVertex in distributed mode.

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