Re: [Condor-users] Re: split processors among multiple jobs

[Oliver Hotz <oliver@xxxxxxxxxxxx>]

that definitely sounds like it will help..

I was just trying to find out a different way of "loadbalancing"..

I am often in situations, where people work on different tasks, and one 
person might have 5 projects that they work on.. and instead of checking 
one project after another, they would like to see a progression of all 5 
projects at the same time.  It would be nice if condor could implement 
something like that.


Jaime Frey wrote:

> On Tue, 15 Mar 2005, Matt Hope wrote:
>
>  
>
> > On Tue, 15 Mar 2005 07:48:10 -0800, Oliver Hotz <oliver@xxxxxxxxxxxx> wrote:
> >    
> >
> > > is there any way, that if i submit 2 jobs at the same time (each with 30
> > > queues), so 60 jobs total, and i have 30 processors, that instead of
> > > processing job 1, wait till it finishes and then processes job 2, i want
> > > it to split the 30 processors equally and give 15 processors to job 1,
> > > and 15 processors to job 2 right from the start ?
> > >
> > > any way to do this ?
> > >      
> > Ian's answers are all valid and most are better long term solutions,
> > however in the spirit of fast and dirty...
> >
> > Another option that is fast and easy to achieve if a pain to do every time is:
> >
> > 1) submit all jobs on hold from cluster A and cluster B with priority 0
> >
> > 2) edit the job priorities of both clusters so that even or odd
> > numbered jobs have a higher priority
> >
> > 3) release your jobs
> >
> > this should cause them to be interleaved.
> >
> > This will not work well with other jobs in the queue (you would have
> > to recurse the above instructions and would eventually run out of
> > priority divisions as currently you have only -20 -> +20)
> >
> > That said this is going to get the simple case working immediately
> >    
>
> With Condor 6.7.6, we're removing the restriction on job priority values.
> They can be any integer. This allows an even quicker solution; just add
> the following to your submit files:
>
> priority = -$(Process)
>
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