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https://issues.apache.org/jira/browse/GIRAPH-616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629463#comment-13629463
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Claudio Martella commented on GIRAPH-616:
-----------------------------------------
Actually this class was rewritten by me when I made it LRU. I'm committing this
one in 24h to give Alessandro time to comment.
> Decouple vertices and edges in DiskBackedPartitionStore and avoid writing
> back edges when the algorithm does not change topology.
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: GIRAPH-616
> URL: https://issues.apache.org/jira/browse/GIRAPH-616
> Project: Giraph
> Issue Type: Improvement
> Reporter: Claudio Martella
> Assignee: Claudio Martella
> Attachments: GIRAPH-616.diff, GIRAPH-616.diff
>
>
> Many algorithms work on a static graph. In these cases, when running
> out-of-core graph we end up writing back the edges that have not changed
> since we read them. By decoupling vertices and edges, we can write back only
> the freshly computed vertex values.
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