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Posted to dev@giraph.apache.org by "Claudio Martella (JIRA)" <ji...@apache.org> on 2013/01/04 16:44:12 UTC
[jira] [Assigned] (GIRAPH-459) Group Vertex Mutations by Partition
ID
[ https://issues.apache.org/jira/browse/GIRAPH-459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Claudio Martella reassigned GIRAPH-459:
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Assignee: Claudio Martella
> 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
> Attachments: 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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