Re: [Condor-users] condor_submit feature request

[Stuart Anderson <anderson@xxxxxxxxxxxxxxxx>]

On Wed, Aug 06, 2008 at 10:27:07AM -0500, R. Kent Wenger wrote:
> On Wed, 6 Aug 2008, Steffen Grunewald wrote:
> 
> > And BTW, what also would be very useful: a user-imposed limit on 
> > simultaneously
> > running jobs from the same cluster ("I want to be nice to my 
> > colleagues, n slots
> > are enough even if there are more available - because I know other's 
> > work is
> > more important and I hate preemption")
> 
> You can essentially do this with DAGMan.  Just make a DAG file with no 
> dependencies, and use the -maxjobs or -maxidle throttles.  Note that for 
> -maxjobs, each cluster counts as one job, while for -maxidle each 
> individual job within a cluster counts as one job.  (Yes, we know these 
> should be changed to be consistent.)

Even more powerful is the recent addition to DAGMan of the
CATEGORY and MAXJOBS key words to limit arbitrarily defined
sub-clusters of jobs within a large workflow.

Thanks.

-- 
Stuart Anderson  anderson@xxxxxxxxxxxxxxxx
http://www.ligo.caltech.edu/~anderson