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From "Jakob Homan (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-45) Improve the way to keep outgoing messages
Date Thu, 17 Nov 2011 21:43:53 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-45?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13152360#comment-13152360
] 

Jakob Homan commented on GIRAPH-45:
-----------------------------------

On a side note, is it worth considering messages to be immutable (or provide a separate annotation
for these)? This would help with message de-duplication, which could be a significant help
in some algorithms.  One would only need to keep one copy of the message going to a particular
worker, regardless of the number of vertices it is bound for.
                
> Improve the way to keep outgoing messages
> -----------------------------------------
>
>                 Key: GIRAPH-45
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-45
>             Project: Giraph
>          Issue Type: Improvement
>          Components: bsp
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>
> As discussed in GIRAPH-12(http://goo.gl/CE32U), I think that there is a potential problem
to cause out of memory when the rate of message generation is higher than the rate of message
flush (or network bandwidth).
> To overcome this problem, we need more eager strategy for message flushing or some approach
to spill messages into disk.
> The below link is Dmitriy's suggestion.
> https://issues.apache.org/jira/browse/GIRAPH-12?focusedCommentId=13116253&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13116253

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