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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-758) Send message to non-exist vertex makes the job fail.
Date Mon, 13 May 2013 08:51:15 GMT

    [ https://issues.apache.org/jira/browse/HAMA-758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13655852#comment-13655852
] 

Edward J. Yoon commented on HAMA-758:
-------------------------------------

Not long time ago, one of Hama committers added repair function for the same problem HAMA-571.
I don't remember why he removed it again, but I think they simply can be ignored.
                
> Send message to non-exist vertex makes the job fail.
> ----------------------------------------------------
>
>                 Key: HAMA-758
>                 URL: https://issues.apache.org/jira/browse/HAMA-758
>             Project: Hama
>          Issue Type: Wish
>          Components: graph
>    Affects Versions: 0.6.1
>            Reporter: MaoYuan Xian
>            Priority: Minor
>
> In graph computing, when sends message to non-exist vertex, job will fail. The problem
triggered from iterate method of org.apache.hama.graph.GraphJobCounter.
> Un-completed graph input exists in the real world. Should we ignore these messages sent
to non-exist vertext? Or, should we add the mechanism, adds the additional vertex when Vertex.addEdge
called?

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