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From "Claudio Martella (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (GIRAPH-459) Group Vertex Mutations by Partition ID
Date Fri, 11 Jan 2013 12:20:13 GMT

     [ https://issues.apache.org/jira/browse/GIRAPH-459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Claudio Martella resolved GIRAPH-459.
-------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.2.0
    
> Group Vertex Mutations by Partition ID
> --------------------------------------
>
>                 Key: GIRAPH-459
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-459
>             Project: Giraph
>          Issue Type: Improvement
>          Components: graph
>            Reporter: Claudio Martella
>            Assignee: Claudio Martella
>             Fix For: 0.2.0
>
>         Attachments: GIRAPH-459.patch, GIRAPH-459.patch
>
>
> Currently, vertex mutations, and implicit creations of vertices based on messages to
non-existing vertices, are executed randomly partition-wise. The iterated vertices can belong
to different partitions. This is bad when we work out-of-core, as we need to load and unload
the whole partition for each vertex. We should group these operations per-partition, and batch-execute
them.

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