Lee,
There're some graph-centric APIs e.g., setVertexInputReaderClass() and
setVertexOutputWriterClass() methods in GraphJob. Moreover, The
mechanism of Graph's combiners is different with pure BSP's combiners.
That's why I separate them.
On Mon, Aug 11, 2014 at 7:32 AM, Chia-Hung Lin <cli...@googlemail.com> wrote:
> Perhaps you can check ${module-name}/target/surefire-report/ for more
> detail about which test cases fail.
>
> Apache Hama is a BSP engine, meaning it's not only capable of
> performing graph computation. Instead, it's suitable for general
> purpose parallel computing as long as the algorithm can be expressed
> as an iterative application. The benefit of separating Graph Job from
> BSP Job is that users can perform their tasks without too much
> restriction. For example, a user not merely can write a program to
> perform graph computation, but also can write general BSP jobs when
> it's required.
>
>
>
>
>
> On 10 August 2014 22:15, Dongjin Lee <dongjin.lee...@gmail.com> wrote:
>> Hi. I am a Hama user, who is analyzing source code now. I have some
>> questions.
>>
>> *1. Build Fail*
>>
>> When I tried build with mvn clean install with version 0.6.4, it succeeded
>> clearly. However, when I tried build with mvn --projects core,examples
>> install, it failed on test task.
>>
>> I think there is something I don't understand yet, but It would be better
>> to update http://wiki.apache.org/hama/HowToContribute, to prevent
>> confusion. I got above command from that wiki page.
>>
>> *2. Why BSPJob and GraphJob is separated?*
>>
>> I read BSPJob & GraphJob class, and feel its design is a little bit weird.
>> Why they are separated? Is there any design decision I don't know?
>>
>> Thanks in Advance.
>> - Dongjin
>>
>> --
>> *Dongjin Lee*
>>
>>
>> *So interested in massive-scale machine learning.facebook:
>> www.facebook.com/dongjin.lee.kr
>> <http://www.facebook.com/dongjin.lee.kr>linkedin:
>> kr.linkedin.com/in/dongjinleekr
>> <http://kr.linkedin.com/in/dongjinleekr>github:
>> <http://goog_969573159>github.com/dongjinleekr
>> <http://github.com/dongjinleekr>twitter: www.twitter.com/dongjinleekr
>> <http://www.twitter.com/dongjinleekr>*
--
Best Regards, Edward J. Yoon
CEO at DataSayer Co., Ltd.
