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From Thomas Jungblut <thomas.jungb...@googlemail.com>
Subject Re: [jira] [Commented] (HAMA-380) Send messages in batches to reduce RPC overhead.
Date Thu, 21 Apr 2011 16:58:07 GMT
No problem :)

2011/4/21 Edward J. Yoon <edwardyoon@apache.org>

> Oh, my mistake.
>
> I've just committed your patch. Thanks thomas!
>
> On Thu, Apr 21, 2011 at 5:25 PM, Edward J. Yoon (JIRA) <jira@apache.org>
> wrote:
> >
> >    [
> https://issues.apache.org/jira/browse/HAMA-380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13022684#comment-13022684]
> >
> > Edward J. Yoon commented on HAMA-380:
> > -------------------------------------
> >
> > Please update your source code to latest TRUNK. Miklos Erdelyi's patch is
> already committed.
> >
> >
> >
> >> Send messages in batches to reduce RPC overhead.
> >> ------------------------------------------------
> >>
> >>                 Key: HAMA-380
> >>                 URL: https://issues.apache.org/jira/browse/HAMA-380
> >>             Project: Hama
> >>          Issue Type: Improvement
> >>          Components: bsp
> >>    Affects Versions: 0.3.0
> >>            Reporter: Miklos Erdelyi
> >>            Assignee: Miklos Erdelyi
> >>             Fix For: 0.3.0
> >>
> >>         Attachments: HAMA-380-v2.patch, bspmsgbundle.patch,
> bspmsgbundle.v2.patch
> >>
> >>   Original Estimate: 4h
> >>  Remaining Estimate: 4h
> >>
> >> When profiling graph computations running on HAMA it turned out that
> huge amount of time is spent in RPC calls.
> >> To reduce this overhead I propose extending the GroomServer's API with a
> put(BSPMessageBundle) method so that a group of messages can be transferred
> from the caller to the callee at once. Also, the sync() operation should be
> improved by sending messages in batches rather than one-by-one.
> >> Using BSPMessageBundle makes it easier to add support for compression of
> messages later.
> >
> > --
> > This message is automatically generated by JIRA.
> > For more information on JIRA, see:
> http://www.atlassian.com/software/jira
> >
>
>
>
> --
> Best Regards, Edward J. Yoon
> http://blog.udanax.org
> http://twitter.com/eddieyoon
>



-- 
Thomas Jungblut
Berlin

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