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Posted to dev@giraph.apache.org by "Claudio Martella (JIRA)" <ji...@apache.org> on 2013/04/12 11:48:15 UTC

[jira] [Resolved] (GIRAPH-616) Decouple vertices and edges in DiskBackedPartitionStore and avoid writing back edges when the algorithm does not change topology.

     [ https://issues.apache.org/jira/browse/GIRAPH-616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claudio Martella resolved GIRAPH-616.
-------------------------------------

    Resolution: Fixed
    
> 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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