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https://issues.apache.org/jira/browse/GIRAPH-182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13251884#comment-13251884
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Jakob Homan commented on GIRAPH-182:
------------------------------------

Hey Pradeep. Thanks for the contribution.
Review:
* Apache prohibits author tags to ensure that all the code is viewed as the 
whole community's responsiblity.
* SimpleSequenceFileVertexOutputFormat: We've thus far had the convention of 
using the type names in the in/outputformats. This is a bit verbose and may not 
be the right approach, but it's probably best to keep it in this patch.  Also 
can you provide javadoc for it?
* SequenceFileVertexOutputFormat: Any reason not to use the more standard M 
type variable? Some Javadoc for the class would be nice here too.
* Is it possible to add a unit test just to verify we get out from the file 
what we put in?



                
> Provide SequenceFileVertexOutputFormat as an available OutputFormat
> -------------------------------------------------------------------
>
>                 Key: GIRAPH-182
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-182
>             Project: Giraph
>          Issue Type: New Feature
>          Components: lib
>            Reporter: Pradeep Gollakota
>            Assignee: Pradeep Gollakota
>            Priority: Minor
>         Attachments: GIRAPH-182-1.patch
>
>
> SequenceFile's are heavily used in Hadoop. We should provide 
> SequenceFileVertexOutputFormat. Since SequenceFileVertexInputFormat is 
> already provided, it makes sense to also provide a mirroring OutputFormat

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