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From "Avery Ching (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-259) TestBspBasic.testBspPageRank is broken
Date Thu, 19 Jul 2012 17:46:37 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13418490#comment-13418490
] 

Avery Ching commented on GIRAPH-259:
------------------------------------

Maja, this sounds like a bug.  The aggregator values should be aggregated from superstep S
and available at S+1.  During any superstep, the vertices shouldn't see a mutating value.
 Your solution sounds good.  In accordance with the Pregel model, we should probably by default
reset all aggregators every superstep (i.e. a global edge count), but provide an option to
make them sticky as well.
                
> 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
>
> Test crashes on line 152 in class SimplePageRankVertex in distributed mode.

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