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https://issues.apache.org/jira/browse/GIRAPH-459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claudio Martella updated GIRAPH-459:
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Attachment: GIRAPH-459.patch
rebased, applied the modifications. didn't touch in the end other files,
according to (1). I guess somebody modifying that code in the future can take
care of that.
> 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, 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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