perfSONAR User Q&A and Other Discussion

[Jason Zurawski <>]

Hey Jay;

> Thanks for getting back so quickly, Jason.  Perl would definitely be 
> helpful, but Java would be the most helpful.  Do you have a client 
> written in Java?  I'll subscribe to the dev list.


I will leave the correct answer to this question for the Java side of 
the house, but perfSONAR-UI would be closer to what you want:

http://perfsonar.acad.bg/

Nina: would you be able to point Jay to the correct APIs?

Thanks;

-jason


> Dan, could you please tell me a little about the gridftp work you are 
> doing in conjunction with Perfsonar?  I don't want to duplicate your 
> work.  Perhaps I could assist in your work.  Are you actually starting 
> test gridftp transfers or just monitoring an existing production 
> system?  In the former case, I imagine something like BWCTL but for 
> gridftp instead.
>
> Thanks,
> Jay
>
> Jason Zurawski wrote:
> > Hey Jay;
> >
> > > Perfsonar developers,
> > >
> > > I'm brand new to this list.  Rich Carlson pointed me your way.  I'm 
> > > interested in writing a client running in MonaLisa that collects 
> > > bandwidth information and then graphs them in Monalisa primarily on 
> > > behalf of usatlas.  We have a Perfsonar installation here at BNL that 
> > > I plan to query against.
> > > I've having trouble navigating your site.  Could you point me to the 
> > > source of a complete client that I could model my client after (if 
> > > one exists)?
> >
> >
> > I have a series of CGI scripts that I use right now for client 
> > functionalities:
> >
> > http://www.perfsonar.net/activeServices
> >
> > These use an API written in perl so if you are interested I can most 
> > certainly pass these your way and offer any help on their use.
> >
> >
> > > Also, a heads up:  if the usatlas throughput committee decides on it, 
> > > I would also like to develop a service that provides gridftp 
> > > information through the personar protocol.  We're not sure on the 
> > > source of data, whether that be by performing gridftp tests and 
> > > collecting the output statistics, by collecting data from a 
> > > monitoring solution such as netflow, or collecting data from FTS 
> > > logs.  Once we've decided, I hope to get some tips on doing this as 
> > > well.
> >
> >
> > Subscribing to  would be a good start for 
> > developer-ish talk.  I believe we do have an effort started on 
> > something very similar to what you are proposing (analyzing the 
> > gridftp logs specifically), I am CCing Dan Gunter from LBL who may 
> > know a little about what is going on specifically with that project.
> >
> > Thanks;
> >
> > -jason