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https://issues.apache.org/jira/browse/GIRAPH-91?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13151844#comment-13151844
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Avery Ching commented on GIRAPH-91:
-----------------------------------
Arun, we can certainly try other data structure for other BasicVertex
implementations. This one is a meant for pretty decent memory reduction. I
expect we will have a bunch of different implementations based on the
requirements of the application.
> Large-memory improvements (Memory reduced vertex implementation, fast
> failure, added settings)
> -----------------------------------------------------------------------------------------------
>
> Key: GIRAPH-91
> URL: https://issues.apache.org/jira/browse/GIRAPH-91
> Project: Giraph
> Issue Type: Improvement
> Reporter: Avery Ching
> Assignee: Avery Ching
> Attachments: GIRAPH-91.diff
>
>
> Current vertex implementation uses a HashMap for storing the edges, which is
> quite memory heavy for large graphs. The default settings in Giraph need to
> be improved for large graphs and heaps of >20G.
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