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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: Angrapa - The Graph Package
Date Wed, 30 Sep 2009 09:59:39 GMT
It would be helpful for us to know more about BSP model.

http://groups.csail.mit.edu/cag/bayanihan/papers/javapdc99/html/node2.html

On Wed, Sep 30, 2009 at 4:18 PM, Hyunsik Choi <hyunsik.choi@gmail.com> wrote:
> Dear Vaijanath N. RAo,
>
> Actually, most ideas of the graph package (angrapa) are still rough. Now,
> this page (http://wiki.apache.org/hadoop/Hamburg) is only document, but we
> will make better documents for angrapa sooner.
> In this post, I want to try to give you more information. Current state of
> angrapa is as follows. As you know, angrapa will be based on bulk
> synchronous parallel (BSP). The key concept that we exploit for graph
> computation is to communicate necessary data while preserving locality of
> graph data. Therefore, we started with developing the bsp library. We
> intended that we will design angrapa after we develop the alpha version of
> bsp library. If we can have more contributors, however, we can start to
> develop the angrapa core package after we only design interfaces of bsp.
>
> --
> Hyunsik Choi
> Database & Information Systems Group, Korea University
> http://diveintodata.org
>
>
> On Wed, Sep 30, 2009 at 3:40 PM, Vaijanath N. RAo <vaiju1981@gmail.com>wrote:
>
>> Hi Varun and Hyunsik,
>>
>> Can we atleast try to make a study and see what all Interfaces we need to
>> support for Angrapa. That will be useful in making the interfaces clean and
>> well documented.
>>
>> --Thanks and Regards
>> Vaijanath N. Rao
>> ----- Original Message -----
>> From: "Hyunsik Choi" <hyunsik.choi@gmail.com>
>> To: hama-dev@incubator.apache.org
>> Sent: Wednesday, September 30, 2009 12:09:25 PM GMT +05:30 Chennai,
>> Kolkata, Mumbai, New Delhi
>> Subject: Re: Angrapa - The Graph Package
>>
>> Dear Varun Gupta,,
>> Actually, I did not try to find out some existing graph library
>> appropriated
>> to Angrapa because I didn't think that existing graph library can be ported
>> to distributed systems, especially bsp. However, I really welcome to you
>> and
>> your achieves if you can contribute some base classes for graphs.
>>
>> Best Regards,
>> --
>> Hyunsik Choi
>> Database & Information Systems Group, Korea University
>> http://diveintodata.org
>>
>>
>> On Wed, Sep 30, 2009 at 3:13 PM, Varun Gupta <thevarungupta@gmail.com
>> >wrote:
>>
>> > I can take up work on Angrapa and therefore would like know if you guys
>> > have
>> > explored existing Graph libraries to have a threshold to build on.
>> >
>> > If we are up to creating our own base classes (basic graph class and
>> > likes),
>> > I will start by creating JIRA tasks and and then submitting code.
>> >
>> > I Remain,
>> > Varun Gupta
>> >
>>
>



-- 
Best Regards, Edward J. Yoon @ NHN, corp.
edwardyoon@apache.org
http://blog.udanax.org

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