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From "Avery Ching (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (GIRAPH-91) Large-memory improvements (Memory reduced vertex implementation, fast failure, added settings)
Date Wed, 16 Nov 2011 23:01:52 GMT

     [ https://issues.apache.org/jira/browse/GIRAPH-91?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Avery Ching updated GIRAPH-91:
------------------------------

    Attachment: GIRAPH-91.diff

Sure, sorry about that.
                
> 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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