[GE users] jobs killed - job ... exceeds job hard limit "h_vmem" of queue ...

reuti reuti at staff.uni-marburg.de
Thu Aug 13 18:36:11 BST 2009


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Am 12.08.2009 um 16:30 schrieb vinc17:

> On 2009-08-12 15:01:17 +0200, reuti wrote:
>> Am 12.08.2009 um 02:56 schrieb vinc17:
>>> Jobs are often killed with an error like:
>>>
>>>   job 15476 exceeds job hard limit "h_vmem" of queue
>>>   "cas at volla.lip.ens-lyon.fr" (540127232.00000 > limit:
>>> 536870912.00000)
>>
>> is it intended that it uses just a little bit more, as you request
>> 540 MB in Maple?
>
> I'm not sure I understand your question. I don't request anything
> in Maple. Everytime the job is killed for this reason, Maple has
> just been started, so that it takes very little memory (unless
> there's a bug I'm not aware of, but the low memory used by my Perl
> script and by Maple seems to be confirmed by the "ps" output). Said
> otherwise, the value 540127232.00000 is IMHO incorrect. Sometimes
> the value is much higher, e.g.

One approach with other software packages is to set also h_stack to a  
low value like 32M or so.

-- Reuti

>   08/11/2009 12:16:37|execd|volla|W|job 15496 exceeds job hard  
> limit "h_vmem" of queue "cas at volla.lip.ens- 
> lyon.fr" (732340224.00000 > limit:536870912.00000) - sending SIGKILL
>
> What I don't understand is how execd finds these huge values such as
> 540127232.00000 or 732340224.00000.
>
> Note: this problem occurs *only* when my Perl script starts Maple
> and before the script has the time to ask any computation to Maple.
>
> Regards,
>
> -- 
> Vincent Lef?vre <vincent at vinc17.org> - Web: <http://www.vinc17.org/>
> 100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/ 
> blog/>
> Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS- 
> Lyon)
>
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