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

Kun Xiao kxiao3 at iit.edu
Tue Oct 3 21:15:34 PDT 2006


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
 

-----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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