[GE users] SGE-6.0: How to achieve increasing and decreasing seq_no?

Erik Soyez soyez at science-computing.de
Wed Oct 27 15:46:42 BST 2004


Thank you Andy,

somehow I had missed the "-?attr" option.  That's exactly what I was
looking for.

Erik.


On Wed, 27 Oct 2004, Andy Schwierskott wrote:

> Erik,
>
> looks like you used the implict behavior the for a parellel job the next
> queue in the sort order is selected. I'm not sure if this behavior can
> always be guaranteed (e.g. think about resource reserveration, fragmentation
> of the sorted free queue slots due to finishing jobs). However I assume you
> were satisfied with the actual behavior;-)
>
> If it's important for you that every individual host has a different
> sequence number (and you don't want to use hostgroups where thorugh
> hostgroups a couple of hosts have the same sequence number) you nned to
> accept the new syntax - through the "qconf -?attr" interface you have full
> possibilites to script this configuration.
>
> Andy
>
> > Well, thanks for your answer, but I don't quite understand
> > how my problem is related to host groups!?  Erik.
> >
> > On Wed, 27 Oct 2004, Kirk Patton wrote:
> >
> >> Did you consider using host groups?
> >> man hostgroup
> >>
> >> On Wed, Oct 27, 2004 at 03:25:55PM +0200, Erik Soyez wrote:
> >>>
> >>> Good Day,
> >>>
> >>> with SGE-5.3 I used to configure clusters with e.g. increasing seq_no for
> >>> a "normal" queue and decreasing seq_no for an "express" queue in order to
> >>> keep parallel jobs stick together and keep express and normal jobs as far
> >>> away from each other as long as possible.  That was pretty easy with a
> >>> script that just added up seq_no when modifying queues.
> >>>
> >>> Now, how do I translate this configuration into SGE-6.0 where a
> >>> "qconf -mq normal at node1" does not work - I don't like the idea of adding
> >>> something like "seq_no [node1=1],[node2=2],[node3=3]" etc. to
> >>> "qconf -mq normal" for 200 hosts - if there might be another way.
> >>>
> >>> Thanks for your help,
> >>>
> >>> Erik.

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