On Fri, Jul 06, 2007 at 10:02:56AM +0100, Brew, CAJ (Chris) wrote:
> Hi,
>
> > -----Original Message-----
> > From: Testbed Support for GridPP member institutes
> > [mailto:[log in to unmask]] On Behalf Of Burke, S (Stephen)
> > Sent: 05 July 2007 15:41
> > To: [log in to unmask]
> > Subject: Re: Torque/Info System Questions
> >
> > Testbed Support for GridPP member institutes
> > > [mailto:[log in to unmask]] On Behalf Of Brew, CAJ (Chris)
> > said:
> > > 1) Do we still need per VO queues?
> >
> > I could argue that you never did need per VO queues :) However, the
> > general point is that voviews are only understood by the glite WMS. In
> > theory the RB is likely to be phased out Real Soon Now so
> > that shouldn't
> > be a problem ... also the effect is only that scheduling is
> > non-optimal,
> > e.g. a VO may see a large ERT for a multi-VO queue when its jobs would
> > actually start quickly because it's currently under its fairshare
> > target.
>
> Hmmm, that's possibly non-optimal. The other option I'd come up with was
> to use the same queues and hack whatever does the "qsub" to add --l
> nodes=sl[34]-prod to get the right resource request. Is that feasable,
> does anyone know what I'd have to hack?
The SGE jobmanager uses virtual queues which are mapped to the real
ones, it just requests different resources from the real queues that
uses (typically one :). Looking at the code should give you enough
info on what you need to do (nothing much really).
Kostas
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