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From "Maja Kabiljo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-616) Decouple vertices and edges in DiskBackedPartitionStore and avoid writing back edges when the algorithm does not change topology.
Date Thu, 11 Apr 2013 22:37:18 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629499#comment-13629499
] 

Maja Kabiljo commented on GIRAPH-616:
-------------------------------------

Oh sorry, missed that.
                
> 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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