Hi, You can't attach the files to the mailing post. So, I've copy&paste your questions here: https://wiki.apache.org/hama/Temp On Wed, May 22, 2013 at 10:30 AM, 悠长假期 <429476900@qq.com> wrote: > Dear Sir: > I am a college student from China.I majored in computer science > and get a very strong interest in cloud computing.Recently I access the > Apache Hama project and begin to read the source code for a couple of weeks. > It is quite helpful to get better understand the panoramic view of Hama > architecture especially to a rookie and I have learnt a lot in programming > by doing this. But I have some questions during the study ( please see > Question.doc attachment ) , so I send this email to you and look forward to > your replys. > > With my highest respect at this very moment! > > > > Sincerely yours,Liu Xin -- Best Regards, Edward J. Yoon @eddieyoon