Pavan Kumar created GIRAPH-820:
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Summary: 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
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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