[torqueusers] Cannot enforce nodes resource limitations

Adrien Leygue adrien.leygue at gmail.com
Wed Jan 11 11:03:46 MST 2006


Thanks for the explanation, this clarifies a lot of things.
The nodect min/max criterion works perfectly.

Adrien.


On 1/4/06, Garrick Staples <garrick at usc.edu> wrote:
> On Wed, Jan 04, 2006 at 06:04:16PM +0100, Adrien Leygue alleged:
> > Dear Torque users,
> >
> > I have compiled and installed Torque 2.0.0p2 on our cluster (Xeon, 2
> > processors per nodes), and I am now in the process of configuring the
> > server and the queues.
> >
> > I wish to have at least two execution queues: one for parallel jobs
> > and another for sequential jobs (different maximum wall-time and
> > cpu-time will be imposed on these queues). There is another route
> > queue which is the default queue.
> >
> > I thought this could be done by configuring the nodes resources of the
> > queues, but apparently I am missing something.
>
> > set queue main resources_max.nodes = 1
> > set queue main resources_min.nodes = 1
>
> > set queue para resources_max.nodes = 4
> > set queue para resources_min.nodes = 2
> > set queue para enabled = True
> > set queue para started = True
>
> The "nodes" resource is a string, not an integer.  I'd have to double
> check the source, but I'm pretty sure min/max for "nodes" is
> meaningless.
>
> Use "nodect" instead.  For example:
>
> set queue default route_destinations = quick
> set queue default route_destinations += medium
> set queue default route_destinations += long
> set queue default route_destinations += large_route
>
> set queue quick resources_max.nodect = 4
> set queue quick resources_max.walltime = 01:00:00
>
> set queue medium resources_max.nodect = 99
> set queue medium resources_max.walltime = 24:00:00
>
> set queue long resources_max.nodect = 64
> set queue long resources_max.walltime = 336:00:00
> set queue long acl_user_enable = True
> set queue long acl_users = ...
>
>
> > max.nodes of 1, and apparently, the node_pack option has not been
> > taken into account!
>
> node_pack is only advisory to the scheduler, and is not recognized by
> pbs_sched or maui.
>
> --
> Garrick Staples, Linux/HPCC Administrator
> University of Southern California
>
>
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