[Swift-devel] MolDyn at Purdue

Veronika Nefedova nefedova at mcs.anl.gov
Fri May 11 14:11:41 CDT 2007


The requested CPU was 286 and time 2 hours. Still in the queue!

On May 11, 2007, at 2:04 PM, Ian Foster wrote:

> that's scary!
>
> Just out of interest, how big was it? (cpus, time?)
>
> Veronika Nefedova wrote:
>> Interesting...
>> Apparently, I did submit the reservation for a big run back on  
>> Monday (I thought it didn't go through at that time). And it is  
>> still in the queue..
>>
>> tg-login1 nefedova/Falkon_v0.8> showq | grep nefedova
>> 995068             nefedova       Idle   286     2:00:00  Mon May   
>> 7 10:02:28
>> 1000628            nefedova       Idle   340     4:00:00  Fri May  
>> 11 10:41:14
>> tg-login1 nefedova/Falkon_v0.8>
>>
>>
>> Nika
>>
>> On May 11, 2007, at 10:24 AM, Ioan Raicu wrote:
>>
>>> Right, so if we want to get roughly the same execution time of 77  
>>> minutes, we would need 34*20 = 680 machines for 2 hours, right?   
>>> If we halve the machine numbers, we can double the time  
>>> reservation, right?
>>>
>>> Let me know if you need help with the Falkon settings!
>>>
>>> Ioan
>>>
>>>
>>> Veronika Nefedova wrote:
>>>> Nope, its quite possible. Last week I couldn't submit a single  
>>>> job for almost a day -- their queue was completely full! The  
>>>> message was something like 'not accepting new jobs in a queue' -  
>>>> or something like that. The cluster is ridiculously busy. I  
>>>> could try to submit today a reservation for , say, 20 molecules...
>>>>
>>>> Nika
>>>>
>>>> On May 11, 2007, at 9:01 AM, Ian Foster wrote:
>>>>
>>>>> It seems unlikely to me that you can't even submit it?
>>>>>
>>>>> Sent via BlackBerry from T-Mobile
>>>>>
>>>>> -----Original Message-----
>>>>> From: Veronika Nefedova <nefedova at mcs.anl.gov>
>>>>> Date: Fri, 11 May 2007 08:58:12
>>>>> To:Ian Foster <foster at mcs.anl.gov>
>>>>> Cc:iraicu at cs.uchicago.edu, swift-devel at ci.uchicago.edu
>>>>> Subject: Re: [Swift-devel] MolDyn at Purdue
>>>>>
>>>>> I think we had a problem submitting a big reservation to NCSA -  
>>>>> even a smaller ones were in the queue for more then a week at  
>>>>> that time. When we did a time estimate on a queue time it said  
>>>>> something like 'unable to predict' or 'unable to accept'...
>>>>> Ioan - do you remember what was the exact problem?
>>>>>
>>>>>
>>>>> Nika
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On May 11, 2007, at 8:31 AM, Ian Foster wrote:
>>>>> I note that we have stopped running at NCSA and switched to  
>>>>> trying to run at Purdue. A good thing to try, certainly.
>>>>>
>>>>> However, could we not have had a big job in the queue at NCSA  
>>>>> all this time, also, using Falkon, which would have run by now?
>>>>>
>>>>> Ian.
>>>>>
>>>>> Ioan Raicu wrote:Great, than we are set, the project is  
>>>>> configurable at the Falkon startup!
>>>>> Ioan
>>>>>
>>>>
>>>>
>>>
>>> -- 
>>> ============================================
>>> Ioan Raicu
>>> Ph.D. Student
>>> ============================================
>>> Distributed Systems Laboratory
>>> Computer Science Department
>>> University of Chicago
>>> 1100 E. 58th Street, Ryerson Hall
>>> Chicago, IL 60637
>>> ============================================
>>> Email: iraicu at cs.uchicago.edu
>>> Web:   http://www.cs.uchicago.edu/~iraicu
>>>       http://dsl.cs.uchicago.edu/
>>> ============================================
>>> ============================================
>>>
>>
>
> -- 
>
>   Ian Foster, Director, Computation Institute
> Argonne National Laboratory & University of Chicago
> Argonne: MCS/221, 9700 S. Cass Ave, Argonne, IL 60439
> Chicago: Rm 405, 5640 S. Ellis Ave, Chicago, IL 60637
> Tel: +1 630 252 4619.  Web: www.ci.uchicago.edu.
>      Globus Alliance: www.globus.org.
>




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