hama-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From 顾荣 <gurongwal...@gmail.com>
Subject Re: Some questions about execution workflow of HamaGraph.
Date Wed, 19 Sep 2012 08:14:24 GMT
Thanks for your valuable hint, Yuesheng. I am getting on with it:)

2012/9/19 Yuesheng Hu <yueshenghu@gmail.com>

> org.apache.hama.graph.GraphJobRunner is the most important class in should
> read, also  other classes in org.apache.hama.graph
>
>
> 2012/9/19 顾荣 <gurongwalker@gmail.com>
>
> > Hi All,I have some questions about your design in HamaGraph. Let me take
> > the PageRank example to illustrate my questions.
> >
> > I have 3 Groom Servers each with 3 free BSP task nodes in my Hama
> > cluster.The input file is as blow.
> >
> > "stackoverflow.com    yahoo.com
> > facebook.com    twitter.com    google.com    nasa.gov
> > yahoo.com    nasa.gov    stackoverflow.com
> > twitter.com    google.com    facebook.com
> > nasa.gov    yahoo.com    stackoverflow.com
> > youtube.com    google.com    yahoo.com
> > "
> > In this case, there are 6 vertexs. How do you assign them among these
> task
> > nodes? Can it guarantee load balancing? And, Do you support a function to
> > supply to customize their own vertex assignment policy? I am so confused
> > with the tasks split part of Hama, it seems the same as Hadoop (by input
> > splits) from its source code, but it works different. And does the task
> > split part of HamaBSP is the same as HamaGraph?
> >
> > Would you please give some info about that? If you are busy to answer my
> > questions, please kindly point it out to me that in which classes or
> > functions of source code you implemented what I am confused about, I
> think
> > I read it more myself.
> >
> > Anyway,Thanks again.
> >
> > Walker
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message