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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: FYI, Comparison and Evaluation of Open Source Implementations of Pregel and Related Systems
Date Fri, 10 Jan 2014 08:41:26 GMT
Hello,

First of all, please create a Jira id[1] if you don't already have
one. then you can create a JIRA ticket for starting to contribute
ideas and patches[3].

We look forward your contributions!

1. https://issues.apache.org/jira/secure/Signup!default.jspa
2. https://issues.apache.org/jira/browse/HAMA
3. http://wiki.apache.org/hama/HowToContribute

On Fri, Jan 10, 2014 at 5:06 PM, song bai <baisongxx@gmail.com> wrote:
> Dear Edward J. Yoon
>
> I have read and modify most of source code of hama-0.6.0, for example,
> 1. add combiner when the peer sends messages to other peers;
> 2. the messages send from Superstep i to Superstep (i+1) in the same
> BspPeer don't use the default RPC,but through     memory.
> 3. I hava implemented some algorithm,such as WCC,topk and Incremental
> PageRank.
>
> Unforunately I have found some mistakes in the source code.I think the
> important is that:
> In Pregel paper, the job will terminates when all vertices are
> simultaneously inactive and there are no messages in transit.
> but hama only consider the vertices are active or not.
>
> I want to be a contributor of hama project.now I am studying the document
> of hama.
> can you give me some suggest,waiting for your reply.
>
>
>
>
>
> On Fri, Jan 10, 2014 at 1:34 PM, Edward J. Yoon <edwardyoon@apache.org>wrote:
>
>> Just FYI,
>>
>> https://cs.uwaterloo.ca/~kdaudjee/courses/cs848/slides/proj/F13/JPV.pdf
>>
>> --
>> Best Regards, Edward J. Yoon
>> @eddieyoon
>>



-- 
Best Regards, Edward J. Yoon
@eddieyoon

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