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https://issues.apache.org/jira/browse/GIRAPH-613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13627908#comment-13627908
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Claudio Martella commented on GIRAPH-613:
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I'm not sure where we reuse objects in the older code, and were I broke it. Can
you indicate it?
> Remove Writable from the interfaces implemented by Vertex
> ---------------------------------------------------------
>
> Key: GIRAPH-613
> URL: https://issues.apache.org/jira/browse/GIRAPH-613
> Project: Giraph
> Issue Type: Improvement
> Reporter: Claudio Martella
> Assignee: Claudio Martella
> Priority: Minor
> Attachments: GIRAPH-613.diff, NonWritable.diff
>
>
> Currently, Vertex implements Writable, meaning that we depend on the user
> (except for the default implementation) on the way the graph is serialised
> and deserialized. This means we cannot do certain optimisations, and the user
> can actually add additional stuff to Vertex more than Value, Id, Edges and
> halt state. By removing this possibility (or allowing them to extend a
> default implementation) we take control of this.
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