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Posted to dev@giraph.apache.org by "Alessandro Presta (JIRA)" <ji...@apache.org> on 2013/02/14 19:25:12 UTC

[jira] [Updated] (GIRAPH-515) More efficient and flexible edge-based input

     [ https://issues.apache.org/jira/browse/GIRAPH-515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alessandro Presta updated GIRAPH-515:
-------------------------------------

    Attachment: GIRAPH-515.patch

This patch adds the following classes:
- SendWorkerEdgesRequest: a request used to send edges during input superstep, similar to the corresponding one for messages
- SendEdgeCache: similar to SendMessageCache
- ByteArrayVertexIdEdges: serialized representation for lists of edges (for different source vertices), similar to the corresponding one for messages
- EdgeStore: a server-side structure that stores transient edges from incoming requests, and later moves them to the owning vertices.
                
> More efficient and flexible edge-based input
> --------------------------------------------
>
>                 Key: GIRAPH-515
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-515
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Alessandro Presta
>            Assignee: Alessandro Presta
>         Attachments: GIRAPH-515.patch
>
>
> The current implementation of edge-based input using mutations is not as memory-efficient as it could be, and also can't be used with immutable vertex classes.
> By having an ad-hoc code path for edges sent during input superstep, we can achieve both memory efficiency and eliminate the current restriction.

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