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Posted to issues@flink.apache.org by "vinoyang (JIRA)" <ji...@apache.org> on 2018/06/13 14:55:00 UTC

[jira] [Assigned] (FLINK-9577) Divide-by-zero in PageRank

     [ https://issues.apache.org/jira/browse/FLINK-9577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

vinoyang reassigned FLINK-9577:
-------------------------------

    Assignee: vinoyang

> Divide-by-zero in PageRank
> --------------------------
>
>                 Key: FLINK-9577
>                 URL: https://issues.apache.org/jira/browse/FLINK-9577
>             Project: Flink
>          Issue Type: Bug
>          Components: Gelly
>    Affects Versions: 1.4.0, 1.5.0, 1.6.0
>            Reporter: Chesnay Schepler
>            Assignee: vinoyang
>            Priority: Major
>
> {code}
> // org.apache.flink.graph.library.linkanalysis.PageRank#AdjustScores#open
> this.vertexCount = vertexCountIterator.hasNext() ? vertexCountIterator.next().getValue() : 0;
> this.uniformlyDistributedScore = ((1 - dampingFactor) + dampingFactor * sumOfSinks) / this.vertexCount;
> {code}



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