[Swift-devel] Re: Swift jobs on UC/ANL TG

[Mike Kubal]

Yes, I'm submitting molecular dynamics simulations
using Swift.

 Is there a default wall-time limit for jobs on tg-uc?



--- joseph insley <insley at mcs.anl.gov> wrote:

> Actually, these numbers are now escalating...
> 
> top - 17:18:54 up  2:29,  1 user,  load average:
> 149.02, 123.63, 91.94
> Tasks: 469 total,   4 running, 465 sleeping,   0
> stopped,   0 zombie
> 
> insley at tg-grid1:~> ps -ef | grep kubal | wc -l
>      479
> 
> insley at tg-viz-login1:~> time globusrun -a -r
> tg-grid.uc.teragrid.org
> GRAM Authentication test successful
> real    0m26.134s
> user    0m0.090s
> sys     0m0.010s
> 
> 
> On Jan 28, 2008, at 5:15 PM, joseph insley wrote:
> 
> > Earlier today tg-grid.uc.teragrid.org (the UC/ANL
> TG GRAM host)  
> > became unresponsive and had to be rebooted.  I am
> now seeing slow  
> > response times from the Gatekeeper there again. 
> Authenticating to  
> > the gatekeeper should only take a second or two,
> but it is  
> > periodically taking up to 16 seconds:
> >
> > insley at tg-viz-login1:~> time globusrun -a -r
> tg-grid.uc.teragrid.org
> > GRAM Authentication test successful
> > real    0m16.096s
> > user    0m0.060s
> > sys     0m0.020s
> >
> > looking at the load on tg-grid, it is rather high:
> >
> > top - 16:55:26 up  2:06,  1 user,  load average:
> 89.59, 78.69, 62.92
> > Tasks: 398 total,  20 running, 378 sleeping,   0
> stopped,   0 zombie
> >
> > And there appear to be a large number of processes
> owned by kubal:
> > insley at tg-grid1:~> ps -ef | grep kubal | wc -l
> >     380
> >
> > I assume that Mike is using swift to do the job
> submission.  Is  
> > there some throttling of the rate at which jobs
> are submitted to  
> > the gatekeeper that could be done that would
> lighten this load  
> > some?  (Or has that already been done since
> earlier today?)  The  
> > current response times are not unacceptable, but
> I'm hoping to  
> > avoid having the machine grind to a halt as it did
> earlier today.
> >
> > Thanks,
> > joe.
> >
> >
> >
> ===================================================
> > joseph a.  
> > insley                                            
>           
> > insley at mcs.anl.gov
> > mathematics & computer science division      
> (630) 252-5649
> > argonne national laboratory                       
>        (630)  
> > 252-5986 (fax)
> >
> >
> 
> ===================================================
> joseph a. insley                                    
>                   
> insley at mcs.anl.gov
> mathematics & computer science division       (630)
> 252-5649
> argonne national laboratory                         
>      (630)  
> 252-5986 (fax)
> 
> 
> 



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