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https://issues.apache.org/jira/browse/GIRAPH-524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581466#comment-13581466
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Alessandro Presta commented on GIRAPH-524:
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I think VertexOutputFormat makes perfect sense because Giraph's output *is*
vertex-centric: for each edge, output something.
Then it's up to the implementation whether to output a vertex value or its
edges, and whether to produce one record/line or multiple ones for each vertex,
but it still holds that the process uses only local information from a vertex
at a time.
Something like an EdgeOutputFormat can be easily implemented in user-land as a
wrapper over VertexOutputFormat, no?
> Giraph can receive input from vertex or edge-centric data sets; its output is
> graph data, not "vertices"
> --------------------------------------------------------------------------------------------------------
>
> Key: GIRAPH-524
> URL: https://issues.apache.org/jira/browse/GIRAPH-524
> Project: Giraph
> Issue Type: Bug
> Components: graph
> Reporter: Eli Reisman
> Priority: Minor
> Fix For: 0.2.0
>
>
> It is silly to have any of our Output format names tied to the "vertex" when
> in fact we are just outputting graph data. The output format names should
> reflect the formatting of the output, and perhaps which elements of the graph
> data you want in the output.
> Lets change those names? Then they get shorter too as a bonus.
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