[Beowulf] scheduler and perl

Joe Landman landman at scalableinformatics.com
Tue Aug 1 14:24:07 PDT 2006

Hi Jerry:

   Its generally a good idea to talk to your users, understand what it 
is they are doing, and see if you can help them, rather than simply 
"banning" things.  The result of bans of deeply embedded practices 
usually results in some ... exciting ... meetings, emails, and telephone 

   That said, we use, and our products quite a bit of Perl to submit 
jobs, and it works fine.  If you are running into particular issues, why 
not discuss them here, and likely you will get lots of good answers back.


Xu, Jerry wrote:
> Hi, I am maintaining a cluster while lots user uses perl to submit tons of jobs
> which seems to me like abusing the system.
> Does everybody meet the same situation? Many user us system call in the perl to
> do "qsub", shall I ban this? I don't know exactly why it is bad, but it looks to
> me really bad. Anybody can give me a good reason to ban it with better
> explanation?
> Sincerely
> Protein
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Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
web  : http://www.scalableinformatics.com
phone: +1 734 786 8423
fax  : +1 734 786 8452 or +1 866 888 3112
cell : +1 734 612 4615

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