Re: [Condor-users] Start only one job instance with multiple slots available

[Matthew Farrellee <matt@xxxxxxxxxx>]

On 11/24/2010 10:25 AM, Horvátth Szabolcs wrote:
> Hi Ben,
>
> > Is this what you're looking for?
> >
> > https://condor-wiki.cs.wisc.edu/index.cgi/wiki?p=WholeMachineSlots
> Not really, I want only a subset of this. If I comprehended correct the
> whole machine solution allows running jobs that use all slots of a
> machine and single slot jobs.
> What I'd like to have is simply not starting JobTypeA if one of the
> slots already runs a JobTypeA.
> I was thinking about publishing the type of the currently running jobs
> as machine attributes and modify the start expression based on that,
> but I haven't found a way to be able to read them from the start
> expression.
>
> Cheers,
> Szabolcs

You can use the STARTD_SLOT_ATTRS to make JobTypeA visible in a START 
expression, but be warned that it happens after the job starts. If you 
get multiple jobs of type A matched to a single machine in a single 
negotiation cycle, you may be disappointed.

Best,


matt