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https://issues.apache.org/jira/browse/GIRAPH-820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pavan Kumar updated GIRAPH-820:
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Attachment: GIRAPH-820-v1.patch
> 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
> 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_VERTEX_IMPLICIT_EDGE_INPUT 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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