Re: [Condor-users] Maximum jobs on submit machine

[Lukas Slebodnik <slebodnik@xxxxxxxx>]

On Fri, Jan 13, 2012 at 10:49:32AM -0500, Matthew Farrellee wrote:
> On 01/13/2012 10:22 AM, Eric Abel wrote:
> >Fellow condor users,
> >
> >I am finding that there is a limit to the number of jobs that will run
> >on a given submit machine, and that number is different depending on the
> >machine. I have already verified that this limit is well below the
> >default MaxJobsRunning value. For example on one machine the maximum
> >seems to be about 85, and on another it’s about 50. Any ideas on this?
> >
> >Thanks,
> >
> >Eric
> 
> [MAX_JOBS_RUNNING]
> default=ceiling(ifThenElse( $(DETECTED_MEMORY)*0.8*1024/800 < 10000,
> $(DETECTED_MEMORY)*0.8*1024/800, 10000 ))
> 
> So the MaxJobsRunning is a function of RAM in the box. If you're on
> Windows it is more complicated. Generally, I recommend using a
> non-Windows machine for hosting the condor_schedd.

You can view values for all schedd daemons by executing command
condor_status -sched -f "%s " Name -f "%s\n" MaxJobsRunning

On Windows platforms, the number of running jobs is capped at 200.
A 64-bit version of Windows is recommended in order to raise the value above
the default.

Details:
http://research.cs.wisc.edu/condor/manual/v7.6/3_3Configuration.html#18253

Regards,
Lukas

> 
> Best,
> 
> 
> matt