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From "Maja Kabiljo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-820) add a configuration option to skip creating source vertices present only in edge input
Date Wed, 08 Jan 2014 19:30:51 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13865778#comment-13865778
] 

Maja Kabiljo commented on GIRAPH-820:
-------------------------------------

Thanks, Pavan!
Looks good overall, just one small thing - when you did the renaming you should've updated
the comments in GiraphConfiguration, variable name in EdgeStore, test name etc as well. I'll
commit after you fix that.

> add a configuration option to skip creating source vertices present only in edge input
> --------------------------------------------------------------------------------------
>
>                 Key: GIRAPH-820
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-820
>             Project: Giraph
>          Issue Type: New Feature
>          Components: graph
>            Reporter: Pavan Kumar
>            Assignee: Pavan Kumar
>            Priority: Minor
>              Labels: giraph
>         Attachments: GIRAPH-820-v1.patch, GIRAPH-820.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> In giraph source vertices present only in edge input are created by default.
> In this patch an additional configuration parameter has been added to control this behavior.
The default behavior is still to create the source vertex if not already present, but the
user can choose not to do so, by setting CREATE_EDGE_SOURCE_VERTICES BoolConfoption to false.
> An example use case for such a change is to help in creating subgraphs of the original
graph based on a sampled vertex input.



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