perfsonar development work

[Loukik Kudarimoti <>]

Chris Welti wrote:
> Hi Nina,
>
> after restarting the perfSONARUI it also works from my PC really quick. Was 
> probably just a bug.
> If it would be like this for all MA, then I don't see a problem.
> Does anyone know what GEANT uses as data source? (RRD?SQL?)
>   
Hi Chris,

GEANT2 uses RRD files for data storage. The hardware in use is a Sun 
Fire V20z with Linux OS.

All webservice communications are proxied via our stats.geant2.net proxy.


Loukik.

> And what kind of hardware?
> Maybe I have to try again for the SWITCH MA when I reduce the data to just 32 
> interfaces....
>
> Regards,
> Chris
>
> Nina Jeliazkova wrote:
>   
> > Chris,
> >
> > Retrieve all is a major functionality, since all summary displays rely
> > on it. It is working fine with Geant MA from my side.
> >
> >
> >
> > Regards,
> > Nina
> >
> > Chris Welti написа:
> >     
> > > Personally I currently don't see the "retrieve all" to make any sense, as it 
> > > does not seem to work properly anyway.
> > > If it takes more than a minute to get the results, what's the point?
> > > I even tried to use the perfsonarUI to do an retrieve all from the GEANT MA, 
> > > which does not have that many interfaces, and it just locks up after a while, 
> > > without any results.
> > > Does that function work for anyone that is running a production MA?
> > >
> > > Regards,
> > > Chris
> > >
> > >
> > > Jason Zurawski wrote:
> > >
> > >   
> > >       
> > > > > > I think the "retrieve all" is a good thing to have, but particularly
> > > > > > when testing large deployments (ESnet has 1000s of interfaces for
> > > > > > example) it would be good to have functionality to do the metadata
> > > > > > request to populate pS-UI, then selectively retrieve interface info for
> > > > > > data requests instead of automatically getting everythihng.  Working on
> > > > > > a Mac mini at SC, it was impossible to run pS-UI due to the volume of
> > > > > > data generated by certain services (also caused repeated Heap Overflows).  
> > > > > >         
> > > > > >             
> > > > > I agree for testing purposes it will be convenient to send obnly
> > > > > metadata request.  I am thinking of two options
> > > > > 1) add a new menu item (in addition to retrieve all) with
> > > > > functionality to send only metadata request , therefore the table will
> > > > > be filled in only with interface metadata and no utilization
> > > > > statistics, and no data will be displayed at barchart /radar chart. In
> > > > > this case, could you suggest an appropriate title for the new menu item?
> > > > > or
> > > > > 2)add an option somewhere in order to switch the behaviour of
> > > > > "Retrieve All" between current behaviour and sending only metadata
> > > > > request.
> > > > >
> > > > > Which will be the preferred way?
> > > > >       
> > > > >           
> > > > Option 1 makes the most sense to me, I would call this choice "Populate"
> > > > or something similar.  After this step there would need to be two
> > > > options for data retrieval: the current "retrieve all", then the ability
> > > > to select interfaces from the table, and simply "retrieve selected". 
> > > >
> > > > Anyone else feel strongly one way or another about this?
> > > >
> > > > -jason
> > > >
> > > >
> > > >     
> > > >         
> > --
> > ---------------------------------
> > Dr. Nina Nikolova-Jeliazkova
> > Institute for Parallel Processing
> > Bulgarian Academy of Sciences
> > Acad. G. Bonchev St 25-A
> > 1113 Sofia, Bulgaria
> > Tel: +359 886 802011
> > ICQ: 10705013
> > www: http://ambit.acad.bg/nina
> > ---------------------------------
> > PGP Public Key
> > http://cert.acad.bg/pgp-keys/keys/nina-nikolova-0xEEABA669.asc
> >         8E99 8BAD D804 1A43 27B7  7F87 CF04 C7D1 EEAB A669
> > ---------------------------------------------------------------
> >
> >     
>
>   


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