[kepler-users] Kepler-users at ecoinformatics.org

Wed Oct 4 07:47:44 PDT 2006

At 09:15 PM 10/3/2006, Kun Xiao wrote:
>Hi,
>
>How can Kepler deal with the QoS constraints(e.g. a function should be
>finished in less than 1 second)?
>
>Thanks!
>
>
>----------------
>Best Regards,
>Kun Xiao

Here are a couple of relevant papers:

http://www.eecs.berkeley.edu/Pubs/TechRpts/2006/EECS-2006-82.html

http://www.eecs.berkeley.edu/Pubs/TechRpts/2006/EECS-2006-83.html

Edward

>
>
>-----Original Message-----
>From: Dan Higgins [mailto:higgins at nceas.ucsb.edu]
>Sent: 2006年10月2日 11:44
>To: Kun Xiao
>Cc: 'Efrat Frank'; Kepler-users at ecoinformatics.org
>Subject: Re: [kepler-users] Kepler-users at ecoinformatics.org
>
>Thanks for discovering this problem!
>
>Dan Higgins
>
>Kun Xiao wrote:
> > I have found the reason of high usage of cpu.
> >
> > The user guide of kepler missed some details about the addition
> > sample, so after I build a model as it said, the usage of cpu is
>very high.
> > Fortunately, I found it's a paramter about iteration in sdf director
> > cause the problem, the default value of it is 0. After I change the
> > value to 1, everything is fine.
> >
> > Thank you very much!
> >
> > ----------------
> > Best Regards,
> > Kun Xiao
> >
> >
> > -----Original Message-----
> > From: Dan Higgins [mailto:higgins at nceas.ucsb.edu]
> > Sent: 2006年9月28日 13:52
> > To: Efrat Frank
> > Cc: Kun Xiao; Kepler-users at ecoinformatics.org
> > Subject: Re: [kepler-users] Kepler-users at ecoinformatics.org
> >
> > I downloaded a new copy of Kepler-1.0.0beta1 (with jre), installed
>it,
> > and also ran it with no problem, so I see no evidence of a memory
>leak.
> > I have 2GB of memory, but the Windows Task manger reports that only
>a
> > bout 520 MB is being used when I am running Kepler.
> >
> > So I have no idea why you are having the reported problem! The only
> > thing I can suggest is perhaps your download was corrupted, so you
> > might try downloading the installer again and reinstalling?
> >
> > Dan Higgins
> >
> > Efrat Frank wrote:
> >
> >> I just ran the Kepler 1beta2 release on my windows machine (which
>is
> >> similar to yours) and didn't notice any problems. Perhaps there are
> >> some heavy duty background processes running on your machine?
> >>
> >> EFrat
> >>
> >> Kun Xiao wrote:
> >>
> >>> I found when I click the button "run the model", there is only 1%
> >>> memory left. My computer almost down! What's the problem?
> >>> Is there any memory leak?
> >>>
> >>> BTW, which version do you use?
> >>>
> >>> Thanks!
> >>>
> >>> Kun Xiao
> >>> ----- Original Message -----
> >>> From: Dan Higgins <higgins at nceas.ucsb.edu>
> >>> Date: Thursday, September 28, 2006 12:23 pm
> >>> Subject: Re: [kepler-users] Kepler-users at ecoinformatics.org
> >>>
> >>>
> >>>
> >>>> The javaw.exe process is just the java executable that Kepler is
> >>>> running under. ('javaw' runs 'java' without displaying the
> >>>> background command window). Kepler will try to use a lot of memory
> >>>> (RAM)) so there might be a problem on a 1G machine if there are a
> >>>> lot of other applications running simultaneously, but I  haven't
> >>>> seen the problem on a similarly configured Windows machine.
> >>>>
> >>>> I was not aware of a problem on some Windows machines for the non-
>
> >>>> JRE nstaller. Is this a version problem?
> >>>>
> >>>> Dan Higgins
> >>>>
> >>>> Efrat Frank wrote:
> >>>>
> >>>>
> >>>>> For the Windows distribution it's best to download the installer
> >>>>>
> >>>>>
> >>>> with
> >>>>
> >>>>
> >>>>> the JRE (aparently on some Windows machines the non-JRE
> >>>>>
> >>>>>
> >>>> installer
> >>>>
> >>>>
> >>>>> seems to be causing problems). Is this what you installed?
> >>>>>
> >>>>> Efrat
> >>>>>
> >>>>> Kun Xiao wrote:
> >>>>>
> >>>>>
> >>>>>> Hi,
> >>>>>>
> >>>>>> I am a phd student doing some research on SWF and have
> >>>>>>
> >>>>>>
> >>>> downloaded
> >>>>
> >>>>
> >>>>>> kepler 1.0. But the software seems running very slowly even
> >>>>>>
> >>>>>>
> >>>> when I
> >>>>
> >>>>
> >>>>>> run some simple samples such as a workflow only include
> >>>>>>
> >>>>>>
> >>>> add/subtract
> >>>>
> >>>>
> >>>>>> function. And from Windows Task Manager, I found the process
> >>>>>>
> >>>>>>
> >>>> named
> >>>>
> >>>>
> >>>>>> javaw.exe consume too much cpu resource. Sometimes I have to
> >>>>>>
> >>>>>>
> >>>> kill
> >>>>
> >>>>
> >>>>>> that process to keep my computer running.
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> My running environment is below:
> >>>>>>
> >>>>>> OS: Windows xp professional
> >>>>>>
> >>>>>> CPU: Intel duo 2.0 G
> >>>>>>
> >>>>>> Memory: 1G
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> Could you tell me what the problem is? Thanks!
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> ----------------
> >>>>>>
> >>>>>> Best Regards,
> >>>>>>
> >>>>>> Kun Xiao
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> ----------------------------------------------------------------
> >>>>>>
> >>>>>>
> >>>> --------
> >>>>
> >>>>
> >>>>>> _______________________________________________
> >>>>>> Kepler-users mailing list
> >>>>>> Kepler-users at ecoinformatics.org
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>
>http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/keple
> >>>> r
> >>>> -
> >>>>
> >>>>
> >>> users
> >>>
> >>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>> -----------------------------------------------------------------
> >>>>>
> >>>>>
> >>>> -------
> >>>>
> >>>>
> >>>>> _______________________________________________
> >>>>> Kepler-users mailing list
> >>>>> Kepler-users at ecoinformatics.org
> >>>>>
> >>>>>
> >>>>>
> >>>>
>http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/keple
> >>>> r
> >>>> -
> >>>>
> >>>>
> >>> users
> >>>
> >>>
> >>>>>
> >>>>>
> >>>>>
> >>>> --
> >>>>
>*******************************************************************
> >>>> Dan Higgins
>higgins at nceas.ucsb.edu
> >>>> http://www.nceas.ucsb.edu/    Ph: 805-893-5127
> >>>> National Center for Ecological Analysis and Synthesis (NCEAS)
> >>>> Marine Science Building - Room 3405 Santa Barbara, CA 93195
> >>>>
>*******************************************************************
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >
> >
> > --
> > *******************************************************************
> > Dan Higgins                                  higgins at nceas.ucsb.edu
> > http://www.nceas.ucsb.edu/    Ph: 805-893-5127
> > National Center for Ecological Analysis and Synthesis (NCEAS) Marine
> > Science Building - Room 3405 Santa Barbara, CA 93195
> > *******************************************************************
> >
> >
> >
> >
> >
> >
>
>
>--
>*******************************************************************
>Dan Higgins                                  higgins at nceas.ucsb.edu
>http://www.nceas.ucsb.edu/    Ph: 805-893-5127
>National Center for Ecological Analysis and Synthesis (NCEAS) Marine
>Science Building - Room 3405 Santa Barbara, CA 93195
>*******************************************************************
>
>
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------------
Edward A. Lee
Professor, Chair of EECS
231 Cory Hall, UC Berkeley, Berkeley, CA 94720-1770
phone: 510-642-0253 or 510-642-0455, fax: 510-642-2845
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