[hnc_invincible] REMINDER: new total CPU time limit for longjobs

  • From: Thomas Hartmann <thomas.hartmann@xxxxxxxx>
  • To: "hnc_invincible@xxxxxxxxxxxxx" <hnc_invincible@xxxxxxxxxxxxx>
  • Date: Thu, 10 Apr 2014 11:37:29 +0200

hey,
i just wanted to remind of the new rule effective immediately. longjobs
are now limited to 3 days.

best,
thomas

On 09.04.2014 11:00, Thomas Hartmann wrote:
> hello,
> effective tomorrow, there will be a new limit for longjobs of 3 days.
> 
> why are we doing this? basically, jobs that run forever are a problem
> because of two reasons:
> 
> 1. fair division of resources is worse the longer the jobs are.
> 2. when we need to do maintenance on a cluster node, we would want to
> avoid killing your jobs. so we would have to disable the node (so no
> more jobs get started there) and then wait until the last job has
> finished. if a job takes 10 days, we would have to wait 10 days and the
> node would be usable by others.
> 
> if you have any questions or comments, you are welcome to share your
> thoughts with us.
> 
> best,
> thomas
> 


-- 
Dr. Thomas Hartmann

CIMeC - Center for Mind/Brain Sciences
Università degli Studi di Trento
via delle Regole, 101
38060 Mattarello (TN)
ITALY

Tel: +39 0461 28 2779
Fax: +39 0461 28 3066
Email: thomas.hartmann@xxxxxxxx
Homepage: http://sites.google.com/site/obobcimec/

"I am a brain, Watson. The rest of me is a mere appendix. " (Arthur
Conan Doyle)

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